Seiko Prospex Speedtimer HBD001: Specs, Price, HBD001 vs HBD002 & Where to Buy
The Seiko Prospex Speedtimer HBD001 is one of the most talked-about new mechanical chronographs of 2026, and for good reason. Released in September 2026 as part of Seiko's 145th anniversary year, it pairs a light sky-blue dial and three dark sub-dials with Seiko's in-house Caliber 8R48 automatic chronograph movement, a 42mm super-hard-coated steel case, and a 1972 design pedigree that collectors have been waiting for. Because the watch is so new, buyers across the United States are searching for the same answers: How much does the HBD001 cost? Is the 8R48 worth the jump over a solar Speedtimer? How thick is it, how accurate is it, and how does it compare with the HBD002? In this complete Seiko HBD001 review, we answer every one of those questions honestly, using Seiko's official specifications and hands-on knowledge from our team at Lexor Miami, an authorized Seiko Luxe dealer. The HBD001 is in stock at Lexor Miami for $2,500, with a 3-year Seiko warranty, free shipping, and free returns.
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Quick Answer: What Is the Seiko Prospex Speedtimer HBD001?
The Seiko Prospex Speedtimer HBD001 (reference HBD001J1) is a men's automatic mechanical chronograph inspired by a 1972 Seiko Speedtimer. It uses the in-house Caliber 8R48 movement with a column wheel and vertical clutch, a 45-hour power reserve, and a 30-minute and 12-hour chronograph with date. The 42mm stainless steel case has Seiko's super-hard coating, a dual-curved sapphire crystal, 100 meters of water resistance, and a steel bracelet with a push-button three-fold clasp. U.S. retail price is $2,500, and it is available now from authorized dealer Lexor Miami.
Seiko HBD001 Specifications at a Glance
Before we dig into the design, the movement, and the buying questions, here are the official specifications for the Seiko Prospex Speedtimer HBD001, verified against Seiko's own product page.
| Specification | Seiko Prospex Speedtimer HBD001 |
|---|---|
| Reference | HBD001 (HBD001J1) |
| Collection | Seiko Prospex Speedtimer (Seiko Luxe) |
| Movement | Caliber 8R48, automatic with manual winding |
| Chronograph architecture | Column wheel and vertical clutch |
| Frequency | 28,800 vibrations per hour |
| Jewels | 34 |
| Power reserve | Approximately 45 hours |
| Accuracy | +25 to -15 seconds per day |
| Functions | Hours, minutes, small seconds, 30-minute and 12-hour chronograph, date, stop-seconds, tachymeter scale |
| Case | Stainless steel with super-hard coating, vertical brushed finish |
| Case diameter | 42.0mm |
| Case thickness | 14.6mm |
| Lug-to-lug | 49.5mm |
| Lug width | 20mm |
| Crystal | Dual-curved sapphire with anti-reflective coating on the inner surface |
| Dial | Light sky-blue textured dial with three dark sub-dials and sky-blue accents |
| Lume | LumiBrite on hands and indexes |
| Case back | Screw-down case back |
| Water resistance | 10 bar (100 meters) |
| Magnetic resistance | 4,800 A/m |
| Bracelet and clasp | Stainless steel bracelet, three-fold clasp with push-button release |
| Release | September 2026 |
| Price at Lexor Miami | $2,500 |
The Speedtimer Story: Why Seiko's Chronograph Heritage Matters
To understand why the HBD001 has collectors so excited, you have to understand what the word "Speedtimer" means to Seiko. Seiko produced Japan's first chronograph in 1964, the year Tokyo hosted the Olympic Games and Seiko served as official timekeeper. Five years later, in 1969, Seiko released one of the world's very first automatic chronographs, powered by the Caliber 6139. That watch carried the Speedtimer name, and it placed Seiko alongside a handful of Swiss brands in one of the most important races in watchmaking history: the race to put a self-winding movement inside a chronograph.
The Speedtimer family grew quickly in the early 1970s, and one of its most admired designs arrived in 1972. That chronograph, built around the Caliber 6138, combined a streamlined case, a flowing integrated-style bracelet, and a dial with strongly contrasting counters. Among Seiko fans, this type of contrast dial is often called a "panda" layout, and the 1972 piece has become one of the most collected vintage Seiko chronographs in the world. Clean, legible, and unmistakably sporty, it captured the spirit of motorsport and grand touring that defined the era.
The new Seiko Prospex Speedtimer HBD001 is a direct modern reinterpretation of that 1972 chronograph. Seiko describes the theme as the thrill of touring: the sky-blue accents are meant to evoke the scenery rushing past the window on an open road. Rather than copying the vintage watch line for line, Seiko kept the silhouette and spirit and rebuilt everything else with its latest case-making and movement technology. If you love the history of the brand, the HBD001 is a way to wear that story every day without the risks of buying and servicing a 50-year-old vintage chronograph.
It is also worth noting the timing. The HBD001 launched in 2026 as part of Seiko's 145th anniversary celebrations, alongside the HBD002 chronograph and the HBC003 and HBC004 three-hand Speedtimers. It is part of the permanent collection rather than a numbered limited edition, which means you can buy it at retail from an authorized dealer instead of chasing it on the secondary market.
Design Review: Dial, Case, Crystal and Bracelet
The Sky-Blue Dial
The dial is the first thing anyone notices about the HBD001, and it is the reason many buyers choose this reference over the HBD002. The main dial is a light, sky-blue tone with a fine vertical texture that catches light differently as you move your wrist. Against that soft blue background sit three dark sub-dials: a 30-minute chronograph counter, a 12-hour chronograph counter, and a running small seconds. The contrast is strong and immediately readable, which is exactly what a chronograph should be.
Seiko also gave each sub-dial its own distinct finish. This is a subtle detail you only appreciate in person, but it matters: it helps your eye separate the running seconds from the chronograph counters at a glance, so you never confuse elapsed time with the time of day. The central chronograph seconds hand and the counter hands carry sky-blue accents that tie the whole dial together. Applied indexes and hands are treated with Seiko's LumiBrite, so the time remains readable in a dim restaurant, a dark car interior, or a night flight.
A date window and a tachymeter scale complete the layout. The tachymeter lets you calculate average speed over a known distance, a nod to the motorsport roots of the Speedtimer name. We explain how to use it later in this article.
The 42mm Super-Hard-Coated Case
The case measures 42mm across, 49.5mm lug to lug, and 14.6mm thick. Seiko gave it a vertical brushed finish across the main surfaces, which echoes the texture of the dial and gives the watch a technical, instrument-like look. The steel is treated with Seiko's super-hard coating, a surface treatment designed to make the case far more resistant to everyday scratches than untreated stainless steel. On a watch you plan to wear daily, that is a genuinely useful feature: desk diving, door frames, and car keys leave fewer marks.
The case lines flow toward the bracelet in the spirit of the 1972 original, and the pushers and crown are sized to be easy to operate. Turn the watch over and you will find a screw-down case back, which contributes to the 100-meter water resistance rating.
Dual-Curved Sapphire Crystal
Protecting the dial is a dual-curved sapphire crystal, curved on the outside and the inside, with an anti-reflective coating on the inner surface. Sapphire is extremely scratch-resistant, and the curve gives the watch a slightly domed, vintage-inspired profile that reflects light beautifully from the side. The inner anti-reflective treatment cuts glare when you check the chronograph outdoors, which is a real benefit under the bright South Florida sun.
The Steel Bracelet
The HBD001 is the bracelet version of the new mechanical Speedtimer pair, and Seiko designed the multi-link steel bracelet specifically for comfort on the wrist. It closes with a three-fold clasp with push-button release, so it is secure but easy to take on and off. The 20mm lug width also makes it easy to swap to a leather, rubber, or fabric strap later if you want to change the look for the weekend.
Inside the Watch: The Seiko Caliber 8R48 Mechanical Chronograph Movement
The single biggest reason the HBD001 costs more than the solar Speedtimers is what sits inside the case. The Seiko Caliber 8R48 is an in-house automatic chronograph movement, designed and built by Seiko, and it uses the two architectural features that watch enthusiasts look for in a high-quality mechanical chronograph: a column wheel and a vertical clutch.
What Is a Column Wheel?
A column wheel is a small, castle-shaped component that controls the start, stop, and reset functions of a chronograph. When you press a pusher, the wheel rotates and its columns move the levers that engage or disengage the chronograph. Column-wheel chronographs are traditionally considered the more refined solution compared with simpler cam-actuated designs, because they deliver a crisper, more consistent feel at the pushers and are more complex to manufacture. Historically, column wheels have been associated with high-end chronographs from prestigious manufactures.
What Is a Vertical Clutch?
The vertical clutch is the mechanism that connects the running watch to the chronograph when you press start. In a vertical clutch design, the connection happens through friction discs stacked on top of each other, instead of through gears that mesh side by side. The practical benefit is easy to see: when you start the chronograph, the seconds hand begins moving smoothly without the small jump or stutter that can happen with a horizontal clutch. A vertical clutch also allows you to leave the chronograph running continuously without unnecessary wear, so some owners use the central chronograph hand as a running seconds hand.
Automatic Winding, Manual Winding, and Frequency
The 8R48 is an automatic movement, which means the rotor winds the mainspring from the natural motion of your wrist. There is no battery to replace. It can also be wound manually by turning the crown, which is useful if the watch has been sitting in a drawer and you want to start it quickly. The balance beats at 28,800 vibrations per hour, giving a smooth sweep to the seconds hands, and the movement uses 34 jewels.
The movement also offers a stop-seconds (hacking) function, so you can stop the running seconds hand when you set the time and synchronize your watch precisely with a reference clock.
How the HBD001 Chronograph Works
Using the chronograph is simple. Press the top pusher to start timing, press it again to stop, and press the bottom pusher to reset all the chronograph hands to zero. The central sky-blue-tipped hand counts the elapsed seconds, the 30-minute counter tracks elapsed minutes, and the 12-hour counter tracks elapsed hours, so you can time anything from a few seconds to a full half day. Practical everyday uses include timing a parking meter, a workout interval, a steak on the grill, a flight segment, or a lap at a track day.
How to Use the Tachymeter Scale
The tachymeter scale converts elapsed time into speed over a known distance. Start the chronograph when you pass a mile marker, stop it when you pass the next one, and read the number the central chronograph hand points to on the tachymeter scale. That number is your average speed in miles per hour. For example, if one mile takes 45 seconds, the hand will point to 80 on the scale, which means you were traveling at 80 miles per hour. It is the classic motorsport complication, and it is exactly why the Speedtimer name exists.
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Accuracy and Power Reserve: An Honest Look
Good buying guides tell you about the trade-offs, not just the highlights, so here they are.
Accuracy: +25 to -15 Seconds per Day
Seiko rates the 8R48 at +25 to -15 seconds per day. That is Seiko's official tolerance for the movement measured in a static position, and it is in line with Seiko's standard rating for its mechanical calibers. It is not a chronometer-level specification, and buyers who expect quartz-level precision should know that before they buy. In everyday use, many mechanical Seiko movements perform well inside that tolerance, and individual results depend on how you wear the watch, how you store it at night, and how active you are. If accuracy is your first priority above everything else, a solar Speedtimer will always be more precise. If you value the craftsmanship, sound, and feel of a mechanical chronograph, the 8R48 delivers exactly the experience you are paying for.
Power Reserve: About 45 Hours
When fully wound, the HBD001 runs for about 45 hours off the wrist. In practice, that means if you take it off Friday evening, it will usually still be running Saturday afternoon, but it may stop by Sunday. If you rotate between several watches, plan on giving the crown a few turns or simply resetting the time and date when you pick it back up. For comparison, Seiko's three-hand Caliber 6R55 used in the new HBC003 and HBC004 offers about 72 hours, but those watches do not have a chronograph at all. A mechanical chronograph module requires more energy, and 45 hours is a reasonable figure for this type of movement.
Magnetic Resistance and Water Resistance
The HBD001 is rated to 4,800 A/m of magnetic resistance, which helps protect the movement from everyday magnetic sources such as phone cases, laptop speakers, and handbag clasps. Water resistance is 10 bar (100 meters), which is generous for a chronograph. It is comfortable for swimming, rain, and beach days, though, like any mechanical chronograph, you should never operate the pushers underwater.
Size and Fit: How Does the Seiko HBD001 Wear on the Wrist?
Size is one of the most common questions about the HBD001, so let us be direct. The case is 42mm wide, 49.5mm lug to lug, and 14.6mm thick. The diameter and lug-to-lug are very comfortable numbers for a sports chronograph and fit most men's wrists. The thickness is the figure to pay attention to. At 14.6mm, the HBD001 has real wrist presence, which is typical for an automatic chronograph because the chronograph mechanism sits on top of the base movement.
Here is a practical guide based on wrist size:
- Wrists around 6.5 inches (16.5cm) and up: The 49.5mm lug-to-lug stays within the wrist, and the HBD001 wears like a classic modern sports chronograph.
- Wrists around 6 to 6.5 inches (15–16.5cm): Still wearable, especially on the bracelet, which balances the weight of the head. Try it on in person if you can, because the height is more noticeable on smaller wrists.
- Wrists under 6 inches (15cm): You may prefer the 39.5mm HBC003 or HBC004 three-hand Speedtimers, which are 12mm thick.
- Shirt cuffs: The HBD001 will slide under a relaxed or casual cuff, but it will not disappear under a tight French cuff the way a dress watch would. It is a sports chronograph first.
The good news is that the curved sapphire crystal and the flowing case lines help disguise the height visually, and the steel bracelet keeps the watch sitting balanced on the wrist instead of flopping to the side. If you are in South Florida, the best way to judge the fit is to visit the Lexor Miami showroom and try it on next to other Seiko Prospex models.
Seiko HBD001 Price: Is It Worth $2,500?
At $2,500, the HBD001 sits well above the solar Speedtimers and well below Swiss mechanical chronographs from the major luxury houses. So is it worth it? Here is how we see the value equation.
What You Get for the Money
- An in-house automatic chronograph with column wheel and vertical clutch, an architecture traditionally found in much more expensive watches.
- A sapphire crystal, super-hard-coated steel case, screw-down case back, and 100 meters of water resistance.
- A design rooted in one of Seiko's most collectible chronographs, from the brand that built one of the world's first automatic chronographs.
- A 3-year Seiko warranty when purchased from an authorized dealer.
U.S. Pricing Compared With Europe and Japan
American buyers are getting a strong deal on this watch. In the United States, Seiko lists the HBD001 at $2,500. In Europe, the same reference retails for €2,780, which works out to more than $3,200 at current exchange rates. In Japan, it is priced at 363,000 yen including tax. In other words, the U.S. price is one of the most competitive in the world for this reference, which matters if you are weighing buying locally versus waiting for a trip abroad.
Who Will Feel It Is Worth It
The HBD001 is worth $2,500 if you want a genuine mechanical chronograph with real horological credentials and a design story, and you prefer Japanese craftsmanship and value to paying a large premium for a Swiss logo. It may not be the right purchase if your top priority is maximum accuracy, a longer power reserve, or a slim profile under a dress shirt. For those buyers, we cover better alternatives below.
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Seiko HBD001 vs HBD002: Which Mechanical Speedtimer Should You Buy?
Seiko released the HBD001 alongside a sister model, the HBD002. Both share the same 42mm case, the same Caliber 8R48 column-wheel chronograph movement, the same sapphire crystal, and the same 100-meter water resistance. The difference comes down to the dial, the strap, and $100.
- HBD001 ($2,500): A light sky-blue textured dial with three dark sub-dials, on a stainless steel bracelet. It is the sportier, higher-contrast version, with the visual unity and satisfying heft of a classic steel sports chronograph.
- HBD002 ($2,400): A warm silver dial with sky-blue sub-dials, on a grey leather strap. It is lighter on the wrist and more understated, leaning slightly toward a dressier vintage feel.
Our recommendation: choose the HBD001 if this will be your everyday watch, especially in a warm, humid climate like Miami. A steel bracelet handles heat, sweat, sunscreen, and the occasional pool day far better than leather, and the dark counters on the blue dial are easier to read at a glance. Choose the HBD002 if you want a softer, more vintage look and plan to wear it mainly in air-conditioned offices or in the evening. And remember, with a 20mm lug width, you can always fit the HBD001 with a leather strap later, but you would need to source a bracelet separately to do the reverse.
HBD001 vs Other Seiko Prospex Speedtimer Models
The Speedtimer family now includes solar chronographs, mechanical chronographs, and even three-hand mechanical models. Here is how the HBD001 compares with the other Speedtimers buyers are considering in 2026.
| Model | Movement | Chronograph | Case | Water resistance | U.S. price |
|---|---|---|---|---|---|
| Speedtimer HBD001 | Caliber 8R48 automatic, 45h | Yes, mechanical column wheel and vertical clutch | 42mm x 14.6mm, steel bracelet | 100m | $2,500 |
| Speedtimer HBD002 | Caliber 8R48 automatic, 45h | Yes, mechanical column wheel and vertical clutch | 42mm x 14.6mm, grey leather strap | 100m | $2,400 |
| Speedtimer HBC003 / HBC004 | Caliber 6R55 automatic, 72h | No, inner rotating countdown ring via 4 o'clock crown | 39.5mm x 12mm | 200m | $995 / $950 |
| Speedtimer SSC961 Solar | Caliber V192 solar quartz | Yes, solar quartz | Steel, panda dial | 100m | $725 |
Choose the HBD001 if you want a true mechanical chronograph and the most horologically interesting watch in the Speedtimer family. Choose a solar Speedtimer, such as the SSC961 or the Seiko SSC927 Speedtimer Solar Chronograph, if you want grab-and-go accuracy, no winding, and the Speedtimer look for well under $1,000. Choose the HBC003 or HBC004 if you want the Speedtimer style in a smaller, thinner, more water-resistant mechanical watch and do not need a stopwatch function.
Who Should Buy the Seiko Prospex Speedtimer HBD001?
After spending time with the HBD001 and its specifications, here is who we think it suits best:
- The first mechanical chronograph buyer. If you have owned automatic three-hand watches and want to step into the world of mechanical chronographs, the HBD001 offers a column wheel and vertical clutch without a five-figure price tag.
- The Seiko collector. If you own an Alpinist, a 1965 Heritage Diver, or a Presage, the HBD001 adds a historically meaningful chronograph to your collection.
- The motorsport and driving enthusiast. The tachymeter, the touring theme, and the 1972 racing-era design make it a natural companion for track days, road trips, and car meets.
- The daily wearer in a hot climate. Sapphire, a super-hard-coated case, a steel bracelet, and 100 meters of water resistance make it practical for real life in Miami, Fort Lauderdale, or anywhere in Florida.
- The gift buyer. As a 145th anniversary-year release with a clear heritage story, it makes a memorable graduation, promotion, anniversary, or milestone birthday gift.
If you want a broader overview of the Prospex range before deciding, read our Ultimate Seiko Prospex Alpinist, Diver & GMT Buying Guide.
Wearing and Caring for Your HBD001 in Miami and South Florida
South Florida's heat, humidity, salt air, and sunshine are part of daily life, and a few simple habits will keep your HBD001 looking and running like new for years.
- Rinse after the beach or pool. With the crown pushed in, a quick rinse in fresh water removes salt and chlorine from the bracelet links and clasp. Dry it with a soft cloth.
- Never use the pushers in water. Start and stop the chronograph only when the watch is dry, even though the case is rated to 100 meters.
- Clean the bracelet occasionally. A soft toothbrush and mild soapy water remove sunscreen and sweat buildup between links, which helps the bracelet stay comfortable.
- Avoid setting the date late at night. On most mechanical watches, it is best not to change the date between roughly 9 PM and 3 AM, when the date-change mechanism is engaged. Move the hands to the morning first, then set the date.
- Keep it away from strong magnets. Speakers, magnetic phone mounts, and tablet covers can magnetize a mechanical movement and affect accuracy.
- Plan regular service. Like any mechanical chronograph, the 8R48 benefits from professional service every few years to clean, lubricate, and regulate the movement.
Style-wise, the HBD001 is remarkably versatile. The sky-blue dial looks right at home with a linen shirt at a Wynwood gallery, a polo on a boat in Biscayne Bay, a navy blazer at dinner in Coral Gables, or a casual weekend look in Brickell. Blue is one of the easiest dial colors to pair with clothing, and the brushed steel keeps the watch from looking flashy.
Why Buy the Seiko HBD001 From Lexor Miami, an Authorized Seiko Dealer
With a brand-new release, where you buy matters as much as what you buy. Unauthorized sellers and grey-market listings may appear online, but they often cannot provide the official Seiko warranty, and you have no guarantee the watch is new, complete, or untouched. Here is what you get when you buy the Seiko Prospex Speedtimer HBD001 at Lexor Miami:
- Authorized Seiko Luxe dealer. Lexor Miami appears on Seiko's official dealer locator, and every watch is 100% authentic and brand new, with original Seiko packaging and documentation.
- 3-year Seiko warranty. Your HBD001 is covered by the manufacturer's warranty when purchased through an authorized dealer.
- In stock and ready to ship. No waitlist and no secondary-market markup. The HBD001 is available now at the official U.S. retail price of $2,500.
- Free shipping and free returns. Free shipping applies to the HBD001 within the 48 contiguous United States, and returns come with a prepaid label.
- Personal ordering by phone or WhatsApp. Order directly with a watch specialist by calling or messaging +1 786-333-1331, so you can ask questions about sizing, the movement, or availability before you buy.
- A real showroom in Miami. Visit us at 2371 NW 20th St, Miami, FL 33142, Monday through Saturday from 10:00 AM to 6:00 PM, with free parking and on-site security. Try the HBD001 on next to other Seiko Prospex and Seiko Luxe models.
- Trusted by thousands of customers. Lexor Miami is a women-owned family business with more than 20 years of experience in the industry and over 3,100 five-star Google reviews.
Shopping from home? Explore the full Seiko watches collection and the Seiko Luxe collection online, or browse new arrivals to see the latest releases.
Buy the HBD001 From an Authorized Seiko Dealer
Shop the Seiko Prospex Speedtimer HBD001
SEIKO PROSPEX SPEEDTIMER HBD001
$2,500.00
A 42mm super-hard-coated steel mechanical chronograph inspired by Seiko's 1972 Speedtimer, with a sky-blue textured dial, three dark sub-dials, in-house Caliber 8R48 column-wheel movement, sapphire crystal, 100m water resistance, and a steel bracelet. In stock with a 3-year Seiko warranty.
Bring Home a Piece of Seiko Chronograph History
The Seiko Prospex Speedtimer HBD001 is the kind of watch that rewards you every time you press a pusher. The crisp start of the column wheel, the smooth sweep of the vertical clutch, and the sky-blue dial catching the light all remind you that you are wearing a genuine mechanical chronograph from a brand that helped invent the automatic chronograph in 1969. It is not the thinnest watch in its class, and it is not the most accurate, and we think it is important to say so. But for the buyer who wants real mechanical character, a design with half a century of history behind it, and Japanese build quality at a fair U.S. price, the HBD001 is one of the most compelling new chronographs of 2026.
At Lexor Miami, you can buy it with complete confidence: authorized dealer, brand-new and authentic, a 3-year Seiko warranty, free shipping, free returns, and a team of watch specialists ready to help you by phone, WhatsApp, or in person at our Miami showroom. Stock on new releases can move quickly, so if the HBD001 is the one, now is the time.
Shop the Seiko HBD001 at Lexor Miami
Final Thoughts
The Seiko Prospex Speedtimer HBD001 brings together everything that makes Seiko's chronograph story special: 1972 design heritage, an in-house column-wheel and vertical-clutch movement, a dial that stands out in any room, and a case built for everyday life. It is a strong choice for a first mechanical chronograph, a meaningful addition to a Seiko collection, and an outstanding gift for anyone who loves cars, travel, or watchmaking history. Here is a quick recap of the watch featured in this review:
- Seiko Prospex Speedtimer HBD001 – 42mm x 14.6mm super-hard-coated steel case, sky-blue textured dial with three dark sub-dials, in-house Caliber 8R48 automatic column-wheel chronograph, 45-hour power reserve, sapphire crystal, 100m water resistance, steel bracelet. $2,500 at Lexor Miami.
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Frequently Asked Questions About the Seiko Prospex Speedtimer HBD001
1. How much is the Seiko Prospex Speedtimer HBD001?
The Seiko Prospex Speedtimer HBD001 retails for $2,500 in the United States. Lexor Miami, an authorized Seiko Luxe dealer, sells it at that official price with a 3-year Seiko warranty, free shipping within the 48 contiguous states, and free returns. For comparison, the same watch retails for €2,780 in Europe, so U.S. pricing is among the most competitive in the world.
2. What movement is inside the Seiko HBD001?
The HBD001 uses Seiko's in-house Caliber 8R48, an automatic mechanical chronograph movement with manual winding. It features a column wheel and vertical clutch, beats at 28,800 vibrations per hour, uses 34 jewels, and offers about 45 hours of power reserve. It powers the hours, minutes, small seconds, date, stop-seconds, and a 30-minute and 12-hour chronograph.
3. How accurate is the Seiko Prospex Speedtimer HBD001?
Seiko rates the Caliber 8R48 at +25 to -15 seconds per day, measured in a static position. That is Seiko's standard tolerance for its mechanical movements and is not a chronometer rating. Real-world accuracy depends on how the watch is worn and stored. Buyers who want maximum precision may prefer a solar Speedtimer, while the HBD001 is aimed at those who value a true mechanical chronograph.
4. What size is the Seiko HBD001, and will it fit a small wrist?
The HBD001 measures 42mm in diameter, 49.5mm lug to lug, and 14.6mm thick, with a 20mm lug width. It wears comfortably on most wrists around 6.5 inches and larger. On smaller wrists, the 14.6mm height is more noticeable, so we recommend trying it on in person or considering the smaller 39.5mm HBC003 or HBC004 Speedtimers.
5. What is the difference between the Seiko HBD001 and HBD002?
Both share the same 42mm case, Caliber 8R48 movement, sapphire crystal, and 100-meter water resistance. The HBD001 has a light sky-blue textured dial with three dark sub-dials on a stainless steel bracelet for $2,500. The HBD002 has a warm silver dial with sky-blue sub-dials on a grey leather strap for $2,400. The HBD001 is the better pick for daily wear in hot, humid climates.
6. Where can I buy an authentic Seiko Prospex Speedtimer HBD001 in Miami?
You can buy the authentic Seiko Prospex Speedtimer HBD001 at Lexor Miami, an authorized Seiko Luxe dealer located at 2371 NW 20th St, Miami, FL 33142, open Monday through Saturday from 10:00 AM to 6:00 PM. You can also order online at lexormiami.com or by calling or messaging +1 786-333-1331 on WhatsApp. The watch is in stock and ready to ship with a 3-year Seiko warranty.
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