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The Rado DiaStar Original Skeleton Limited Edition R12166309: gold PVD Ceramos bezel, skeletonized gold-colored movement and a vivid green dial ring and strap.

Quick answer: The Rado DiaStar Original Skeleton Limited Edition R12166309 is a 2026 limited edition of 555 pieces, each engraved "One out of 555." It reinterprets Rado's 1962 DiaStar, the watch Rado presented as the world's first scratch-resistant watch, with a 38 mm oval case, a convex Ceramos bezel with yellow-gold PVD finish, a square-faceted sapphire crystal and a vibrant green annular dial and rubber strap. The open dial reveals the skeletonized, gold-colored Caliber R808 automatic, with 25 jewels, an 80-hour power reserve and a Nivachron hairspring. It measures 38 × 45 × 11.9 mm, weighs 70.5 g, is water resistant to 100 m and costs $2,800, the same as Rado's U.S. price, with a 5-year warranty at Lexor Miami.

• Price: $2,800 (Rado U.S. retail) · 5-year Rado warranty
• Limited edition: 555 pieces · case back engraved "One out of 555"
• Case: 38 mm oval · 11.9 mm thick · 70.5 g · 100 m
• Movement: Rado R808 skeletonized automatic · 80-hour reserve · Nivachron
• Availability: Limited stock at Lexor Miami

Shop the DiaStar Skeleton LE – $2,800

Only 555 Made · 100% Authentic · 5-Year Rado Warranty · Free U.S. Shipping · Free Returns

Introduction: A 1962 Icon, Turned Inside Out

In 1962, Rado introduced a watch that looked like nothing else on the market and promised something no one else did: a case that resisted scratches. That watch was the DiaStar. With its unusual oval shape and faceted crystal, it became one of the most recognizable designs of the 1960s and the foundation of Rado's identity as the "Master of Materials."

More than 60 years later, Rado celebrates that icon with the DiaStar Original Skeleton Limited Edition, a trio of bold, colorful limited editions launched in summer 2026. The R12166309 is the most luxurious of the three. It pairs a vivid green dial ring and green rubber strap with a Ceramos bezel finished in yellow-gold PVD, yellow-gold hands and indices and a skeletonized movement in gold color. Red Super-LumiNova on the hands, indices and moving anchor adds a final playful twist.

The result is a watch that is part design object, part mechanical showcase and part collector's item, and one of the most distinctive Swiss watches of 2026. With only 555 pieces made, each engraved with its edition status on the case back, it is a rare chance to own a modern piece of Rado history.

In this guide we cover everything a U.S. buyer should know: the DiaStar story, Rado's Ceramos material, the skeletonized R808 movement, verified specifications, the three colorways, who this watch suits, comparisons and care. If you are ready, order the Rado DiaStar Original Skeleton Limited Edition R12166309 here.

The Rado Story: The Master of Materials

Swiss roots

Rado traces its origins to a movement workshop founded in 1917 in Lengnau, Switzerland. The Rado name appeared in the 1950s, and the brand quickly built a reputation for daring design and an obsession with durability.

1962: The DiaStar changes everything

The DiaStar was launched in 1962 and was presented as the world's first scratch-resistant watch. Its hardmetal case and faceted sapphire crystal were radical at a time when most watches scratched easily. Its unconventional oval silhouette, described by some as helmet-shaped, made it instantly recognizable.

Materials as identity

From the DiaStar onward, Rado made materials its signature. It pioneered high-tech ceramic in the 1980s and developed Ceramos, a proprietary composite that combines the hardness of ceramic with the shine of metal. Today, Rado's motto as the "Master of Materials" traces directly back to the DiaStar.

A design that refused to age

While many 1960s designs faded, the DiaStar never really went away. Rado has reinterpreted it many times, and the DiaStar Original remains one of the brand's most iconic collections. The Skeleton Limited Edition is its boldest, most modern expression yet.

Key Features of the Rado DiaStar Original Skeleton Limited Edition R12166309

• Limited to 555 pieces; case back engraved "Limited Edition, One out of 555."
• Special packaging and Limited-Edition Certificate.
• 38 mm oval stainless steel case with PVD (38 × 45 × 11.9 mm).
• Convex oval Ceramos bezel with yellow-gold PVD finish, radially brushed and smudge-proof.
• Square-faceted sapphire crystal, a signature of the DiaStar.
• Vibrant green annular dial framing the skeletonized movement.
• Yellow-gold flying indices and yellow-gold hour and minute hands.
• Red Super-LumiNova on indices, hands and the moving anchor.
• Skeletonized, gold-colored Rado Caliber R808 automatic.
• 25 jewels and 80-hour power reserve.
• Nivachron anti-magnetic hairspring; tested in five positions.
• Transparent sapphire case back.
• 100 m water resistance.
• Green technical rubber strap with PVD stainless steel pin buckle.
• Lightweight at 70.5 g.
• 5-year Rado warranty.

Benefits: Why the DiaStar Skeleton Is So Special

1. A watch you can see working

The skeletonized R808 lets you watch the balance wheel swing, the gears turn and the rotor spin. It turns timekeeping into a small daily show and makes the watch endlessly engaging.

2. Genuine rarity

With only 555 pieces worldwide, each engraved and certified, the R12166309 is far more exclusive than most limited editions.

3. Iconic, instantly recognizable design

The DiaStar's oval case and faceted crystal are one of the most distinctive silhouettes in watchmaking. People who know watches will recognize it immediately; people who don't will ask about it.

4. Joyful color with a luxurious twist

Green and gold is a classic luxury combination. The vivid green dial and strap bring summer energy, while the gold PVD bezel, hands and movement add warmth and refinement.

5. Modern performance

The R808's 80-hour reserve means the watch keeps running through a weekend off the wrist, and its Nivachron hairspring helps it resist everyday magnetism.

6. Light and comfortable

At just 70.5 g on its rubber strap, the DiaStar Skeleton is comfortable all day, including in Miami heat.

Only 555 Made – Check Availability

Technical Specifications

The open dial reveals the skeletonized R808, framed by a green annular ring and gold flying indices.

Brand	Rado
Collection	DiaStar Original – Skeleton Limited Edition (2026)
Reference	R12166309
Limited edition	555 pieces, engraved case back, certificate
Movement	Rado Caliber R808, skeletonized automatic, gold-colored
Jewels	25
Frequency	21,600 vph (3 Hz)
Power reserve	80 hours
Hairspring	Nivachron (anti-magnetic)
Accuracy	Tested in 5 positions
Functions	Hours, minutes, central seconds
Case	Stainless steel with PVD, oval
Dimensions	38 mm wide × 45 mm long × 11.9 mm thick
Weight	70.5 g
Bezel	Convex oval Ceramos, yellow-gold PVD, radially brushed, smudge-proof
Crystal	Square-faceted sapphire
Case back	Transparent sapphire, stainless steel with PVD
Crown	Stainless steel with PVD
Dial	Vibrant green annular dial, yellow-gold flying indices
Hands	Yellow-gold hour and minute hands
Luminescence	Red Super-LumiNova on indices, hands and moving anchor
Water resistance	100 m
Strap	Green technical rubber
Buckle	Pin buckle, stainless steel with PVD
Origin	Swiss Made
Warranty	5 years
Rado U.S. price	$2,800
Price at Lexor Miami	$2,800

How does a 38 mm oval watch wear?

The DiaStar is 38 mm wide but 45 mm long, so it wears differently from a round watch. Its oval shape follows the natural line of the wrist, giving it a slightly larger presence than its width suggests while remaining comfortable on wrists from about 6 to 7.75 inches. At 11.9 mm thick and only 70.5 g, it sits low and light, and it suits both men and women who like a bold, design-led watch.

Ceramos: Rado's Signature Material

What is Ceramos?

Ceramos is a Rado proprietary composite that combines the hardness of ceramic with the metallic shine of metal. It allows Rado to create bezels that look like polished or brushed metal yet resist scratches far better than steel.

A golden finish

On the R12166309, the convex oval Ceramos bezel receives a yellow-gold PVD surface and a radial brushing that radiates from the center. It is also smudge-proof, so it keeps its clean, glowing look throughout the day.

Why it matters

The bezel is the most exposed part of a watch. Making it from Ceramos means the DiaStar's most recognizable element stays sharp and beautiful for years, true to the original 1962 promise of scratch resistance.

The faceted sapphire crystal

The DiaStar's square-faceted sapphire crystal is one of its most distinctive design elements. Sapphire is extremely scratch-resistant, and the facets catch the light like a cut gem, emphasizing the watch's jewelry-like character.

The Caliber R808: A Skeletonized Heart

The case back: a sapphire window onto the R808 and the engraving "One out of 555."

Skeletonized and gold-colored

The R808 has been openworked to remove as much material as possible while keeping its structure intact. The visible bridges and plates are finished in a yellow-gold color that matches the bezel, hands and indices, creating a unified golden composition visible from both sides.

80 hours of power

Built on proven Swatch Group architecture and running at 21,600 vibrations per hour, the R808 achieves an 80-hour power reserve, roughly double that of a traditional automatic. Take it off on Friday and it will still be running on Monday.

Nivachron for a magnetic world

The Nivachron balance spring is far less sensitive to magnetism and temperature changes than traditional steel springs, helping the watch stay accurate around phones, laptops and speakers.

Tested in five positions

Rado adjusts the R808 in up to five positions, beyond basic requirements, for stable timekeeping in daily wear.

The moving anchor

Rado's iconic anchor symbol moves freely on the dial, a reminder that the watch is powered by a mechanical movement. On this edition it is filled with red Super-LumiNova, so it glows in the dark.

Design: A Closer Look

The oval case and faceted sapphire crystal: unmistakably DiaStar since 1962.

The oval silhouette

The DiaStar's oval case is its signature. Wider at the center and tapering to the lugs, it has a sculptural, almost architectural presence that has kept it relevant for more than six decades.

The annular green dial

Instead of a full dial, the R12166309 uses an annular ring, a circle of vibrant green that frames the open movement. This keeps the dial legible while letting the skeletonized mechanics take center stage.

Flying gold indices

The yellow-gold indices appear to float above the movement, an effect known as flying indices. Filled with red lume, they glow unexpectedly at night.

Gold and green harmony

Every gold element, from bezel to buckle, is coordinated: yellow-gold PVD on the bezel, case parts, crown and buckle; yellow-gold hands and indices; and a gold-colored movement. The green dial ring and strap complete the palette.

The rubber strap

The green technical rubber strap is soft, flexible and durable. It gives the watch a sporty, summery feel and is ideal for the pool, the beach and humid weather.

Green technical rubber strap with yellow-gold PVD pin buckle.

What Is a Skeleton Watch? A Quick Buyer's Guide

"Skeleton" is one of the most searched terms in watches, but it is often used loosely. Here is what it really means and what to look for.

Skeleton vs. open heart vs. display back

A display back watch has a sapphire window on the back, but a normal closed dial. An open-heart watch adds a small opening in the dial, usually showing only the balance wheel. A true skeleton watch removes most of the dial and cuts away material from the movement's plates and bridges, so you can see through the mechanism from front to back. The DiaStar Original Skeleton is a true skeleton: its annular dial frames an openworked movement visible from both sides.

1. Legibility

Skeleton dials can be hard to read if hands blend into the movement. Look for contrasting hands and a clear chapter ring. The DiaStar uses an annular green ring, gold hands and luminous indices so the time stays easy to read.

2. Finishing

Because every bridge is visible, finishing matters. Color treatments, such as the R808's gold-colored finish, give the movement a cohesive look that matches the case.

3. Movement quality

A skeleton should still be a reliable everyday watch. The R808 offers an 80-hour reserve, Nivachron hairspring and five-position adjustment, specifications usually found in non-skeleton watches.

4. Wearability

Some skeleton watches are delicate dress pieces. The DiaStar Skeleton has 100 m water resistance, a sapphire crystal, a hard Ceramos bezel and a rubber strap, so it can be worn every day.

5. Brand and design pedigree

A skeleton movement is most rewarding inside a design with meaning. Putting it in the 1962 DiaStar silhouette gives this watch both mechanical interest and historical significance.

What the Press Is Saying

When Rado unveiled the DiaStar Original Skeleton Limited Edition trio in June 2026, Monochrome Watches described the watches as bold, noting how the colors frame the skeletonized caliber and highlighting the oval "helmet-shaped" case, convex bezel and faceted crystal. Rado's own press release summed up the spirit of the collection: "The first DiaStar Original broke new ground with its unusual shape and distinctive design." Readers responding to the launch praised the colors and the practicality of 100 m water resistance for a distinctive summer watch, while acknowledging that such a bold design is a matter of personal taste.

The DiaStar Original Skeleton Trio

Rado released the 2026 DiaStar Original Skeleton Limited Edition in three colors, each limited to 555 pieces:

• Green – R12166309 (this model): yellow-gold PVD Ceramos bezel, gold hands and indices, red lume, green dial and strap. U.S. price $2,800.
• Blue – R12169209: polished, radially brushed Ceramos bezel, rhodium-colored hands, yellow lume, blue dial and strap. U.S. price $2,550.
• Red – R12169409: radially brushed Ceramos bezel, rhodium-colored hands, green lume, red dial and strap. U.S. price $2,550.

The green R12166309 is the only one of the three with gold PVD treatment and a gold-colored movement, which explains its slightly higher price and makes it the most luxurious and collectible of the trio.

What Makes a Limited Edition Worth Owning?

1. A small run

Many limited editions are produced in runs of 1,000 to 2,000 pieces. At 555 pieces per color, the DiaStar Skeleton is considerably more exclusive.

2. Proof of edition

Each case back is engraved "Limited Edition, One out of 555," and each watch comes with special packaging and a Limited-Edition Certificate.

3. A meaningful difference

This edition is not just a new color. It adds a skeletonized movement, a gold PVD Ceramos bezel and a unique color scheme to an iconic design.

4. Historic significance

The DiaStar is one of the most important designs in Rado's history. Limited editions that celebrate a brand's founding icons tend to stay desirable.

5. Full manufacturer support

Rado's 5-year warranty covers the watch, giving you peace of mind for years to come.

Who Should Buy the Rado DiaStar Original Skeleton R12166309?

Design lovers

If you appreciate mid-century design, architecture or modern art, the DiaStar's oval form and bold colors will speak to you.

Mechanical watch enthusiasts

The skeletonized R808 lets you see watchmaking in action, a pleasure that never gets old.

Collectors of limited editions

With 555 engraved and certified pieces, this is a genuinely collectible watch tied to Rado's most historic design.

Those who want something different

If your watch box is full of round steel watches, the DiaStar Skeleton instantly adds personality and color.

Men and women

At 38 mm wide and 70.5 g, the DiaStar Skeleton suits both men and women who like a bold, unisex design.

Gift buyers

For a birthday, anniversary or achievement, a numbered limited-edition Swiss watch with a visible movement is a memorable gift.

Who might prefer another model

If you prefer a more understated look, the blue or red versions use silver-toned hands and bezel. If you want a full ceramic sports watch, consider the Rado Captain Cook Discover.

See the DiaStar Skeleton LE at Lexor Miami

Why Buy the DiaStar Skeleton at Lexor Miami?

Authentic, brand new, 5-year Rado warranty

Every watch from Lexor Miami is 100% authentic and brand new, with original limited-edition packaging, certificate and Rado's 5-year warranty.

Official U.S. price

The R12166309 is $2,800 at Lexor Miami, exactly Rado's U.S. retail price.

Free shipping and free returns

Products priced at $150 or more ship free within the 48 contiguous United States. Approved returns within 30 days of delivery come with a prepaid return label; items must be unused and in original condition and packaging. Lexor Miami does not ship to Alaska, Hawaii, Puerto Rico, APO/FPO/DPO addresses, freight forwarders or international destinations.

A real showroom in Miami

See the DiaStar Skeleton in person at Lexor Miami, 2371 NW 20th St, Miami, FL 33142, Monday to Saturday, 10:00 AM to 6:00 PM, with free parking and on-site security.

Trusted by thousands

Lexor Miami is a women-owned family business with more than 20 years in luxury retail and over 3,100 five-star Google reviews.

Expert help

Ask about sizing, the limited edition or gifting on WhatsApp, call +1 (305) 633-0950, use the contact page or read the store FAQs.

DiaStar Original Skeleton vs. Similar Watches

Here is how the R12166309 compares with its sister editions and other open-dial or design-led watches. Lexor Miami prices reflect listings at the time of writing; Rado prices are from Rado's U.S. website.

Model	Design	Movement view	Edition	Price
DiaStar Skeleton LE R12166309	38 mm oval, gold PVD, green	Full skeleton, front and back	555 pieces	$2,800
DiaStar Skeleton LE R12169209 / R12169409 (Rado)	38 mm oval, steel, blue or red	Full skeleton	555 pieces each	$2,550 (Rado U.S.)
Hamilton Jazzmaster Open Heart Auto H32675181	40 mm round, steel	Open-heart window	Regular production	$1,295
Rado Captain Cook Bronze LE R32504208	42 mm bronze diver	Closed dial	333 pieces	$4,250
Rado Captain Cook Discover R32279312	40.7 mm black ceramic	Sapphire case back	Regular production	$4,250

Green vs. blue and red

All three share the 38 mm oval case, R808 movement and 555-piece run. The green R12166309 adds yellow-gold PVD, gold hands and indices and a gold-colored movement, making it the most luxurious version, while the blue and red editions have a cooler, steel-toned look at a lower price.

DiaStar Skeleton vs. open-heart watches

Open-heart watches like the Hamilton Jazzmaster Open Heart show only the balance wheel through a small window. The DiaStar Skeleton opens up almost the entire movement, offering a far more dramatic view.

DiaStar vs. Captain Cook

The Captain Cook Bronze and Captain Cook Discover are sporty divers and sports watches. The DiaStar Skeleton is the design statement: smaller, lighter, more colorful and focused on the visible movement.

Explore more rare pieces in our limited edition watches or browse all luxury watches to compare the DiaStar Skeleton side by side with other Swiss automatics.

The Luxury Lifestyle: Summer Colors, All Year

Made for Miami

Green, gold and rubber: the DiaStar Skeleton was born for South Florida. Wear it with a white linen shirt in Coconut Grove, a pastel polo on Key Biscayne or a crisp T-shirt in the Design District. Its 100 m water resistance means it can come to the pool, too.

A conversation starter

Few watches attract as many questions as an oval skeleton watch in green and gold. It is the kind of piece people notice across a dinner table and ask to see up close. Turn it over to show the "One out of 555" engraving and the gold movement, and the conversation usually continues.

A watch for the creative professional

Architects, designers, artists and entrepreneurs often look for a watch that reflects how they think. The DiaStar Skeleton does exactly that: it is engineered, but also expressive; historic, but also forward-looking. It pairs naturally with a black turtleneck, a relaxed linen suit or a crisp white shirt, and it says more about your taste than any logo could.

Pair it with the right eyewear

Gold and green look superb with gold-accented sunglasses. Explore Cartier sunglasses or the playful colors of DITA sunglasses at Lexor Miami.

Caring for your DiaStar Skeleton

• Rinse the rubber strap and case with fresh water after the pool or sea and dry with a soft cloth.
• Clean the Ceramos bezel and crystal with a microfiber cloth.
• Avoid hard impacts and strong magnetic fields.
• Wind a few turns via the crown if the watch has stopped.
• Have the watch serviced by an authorized Rado service center as recommended.

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Frequently Asked Questions

How much is the Rado DiaStar Original Skeleton Limited Edition R12166309?

It is $2,800 at Lexor Miami, the same as Rado's U.S. price, with free shipping within the 48 contiguous states and a 5-year warranty.

How many were made?

The green edition is limited to 555 pieces, each engraved "One out of 555" on the case back.

When was it released?

Rado introduced the DiaStar Original Skeleton Limited Edition trio in June 2026.

What movement does it use?

Rado's skeletonized Caliber R808 automatic, with 25 jewels, 21,600 vph, an 80-hour power reserve and a Nivachron hairspring.

What size is the DiaStar Skeleton?

38 mm wide, 45 mm long and 11.9 mm thick, weighing 70.5 g.

Is it water resistant?

Yes, to 100 m.

What is Ceramos?

Ceramos is Rado's proprietary composite that combines the hardness of ceramic with the shine of metal. It is used for the DiaStar's bezel.

Why is the DiaStar important?

Launched in 1962, the DiaStar was presented as the world's first scratch-resistant watch and established Rado's reputation for innovative materials.

Is the DiaStar Skeleton unisex?

Yes. Its 38 mm width and light weight suit both men and women.

What colors are available?

Green with gold PVD (R12166309), blue (R12169209) and red (R12169409), each limited to 555 pieces.

Does it come with a certificate?

Yes. Each watch comes in special packaging with a Limited-Edition Certificate.

Can I see the movement from the back?

Yes. The transparent sapphire case back shows the skeletonized R808.

What is the warranty?

Rado provides a 5-year warranty.

Can I return it if it doesn't suit me?

Yes. Unused items in original condition and packaging can be returned within 30 days of delivery with a prepaid label. Email info@lexormiami.com first to request a return authorization.

Can I see it in person?

Yes. Visit Lexor Miami at 2371 NW 20th St, Miami, FL 33142, Monday through Saturday, 10:00 AM to 6:00 PM.

Is the DiaStar Skeleton worth it?

If you want a rare, design-led Swiss automatic with a visible movement, an iconic 1962 silhouette and modern 80-hour performance, the DiaStar Skeleton offers a lot of personality and history for $2,800.

Ready to Own One of 555?

The Rado DiaStar Original Skeleton Limited Edition R12166309 is available at Lexor Miami, but with only 555 pieces worldwide, stock is very limited. Order today for free U.S. shipping, free returns and Rado's 5-year warranty.

Buy the DiaStar Skeleton LE – $2,800

Free U.S. Shipping · 30-Day Free Returns · 5-Year Rado Warranty · 100% Authentic

Conclusion: Rado's First Icon, Reimagined in Color

The Rado DiaStar Original Skeleton Limited Edition R12166309 brings Rado's 1962 icon into the present with confidence and joy. Its oval case, faceted sapphire crystal and convex Ceramos bezel honor the original, while the yellow-gold PVD, vibrant green dial and strap, red lume and skeletonized gold-colored R808 make it unmistakably modern. With 80 hours of power, Nivachron protection, 100 m water resistance and only 555 engraved pieces, it is a rare and rewarding watch to own.

At Lexor Miami, you get it at Rado's official U.S. price of $2,800, with a 5-year warranty, free shipping across the contiguous states, free returns and a real team in Miami ready to help.

Explore our limited edition watches, all luxury watches and the Lexor Miami blog. When you are ready, the Rado DiaStar Original Skeleton Limited Edition R12166309 is waiting for you.

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