The Seiko 5 Sports Field GMT SSK059 combines practical travel functionality with the versatile character of a field-inspired sports watch. Featuring a crisp white dial, stainless steel case and bracelet, and a distinctive orange GMT hand, this automatic timepiece offers a useful second-time-zone display in a balanced everyday design.
Powered by Seiko's Caliber 4R34 automatic movement, the SSK059 brings together traditional mechanical watchmaking and modern GMT functionality. Its 24-hour scale, date display, LumiBrite-treated hands and indexes, and transparent case back make it a practical and engaging addition to the Seiko 5 Sports collection.
Listed at $450.00 at Lexor Miami. Check the product page for current availability.
VIEW SEIKO SSK059
The SSK059 features a clean white dial with bold Arabic numerals and a practical layout designed for easy reading. Its contrasting orange GMT hand adds a distinctive accent while serving an important function: tracking a second time zone using the 24-hour scale.
The stainless steel case and matching bracelet give the watch a versatile appearance that transitions easily between casual outfits, travel, and everyday professional settings. The combination of a light dial and silver-tone construction keeps the design clean and contemporary.
At the heart of the Seiko SSK059 is the Caliber 4R34, an automatic mechanical movement with manual winding capability. It features 24 jewels and provides an approximate power reserve of 41 hours when fully wound.
The GMT function uses a dedicated 24-hour hand to display a second time zone. This makes the SSK059 especially useful for frequent travelers, international professionals, and anyone who regularly communicates with people in another part of the world.
The movement also includes a stop-seconds function, allowing the seconds hand to stop when setting the time for more precise adjustment.
The SSK059 features a 24-hour scale that works with the dedicated GMT hand to display an additional time zone. The scale provides a clear reference for distinguishing between daytime and nighttime hours in the second location.
A date display adds everyday convenience, while the dial's contrasting markers and hands help keep the information easy to read. The result is a functional layout that balances mechanical watchmaking with practical daily use.
Seiko equips the SSK059 with LumiBrite on the hands and hour indexes to improve visibility in low-light conditions. This luminous treatment makes it easier to read the time when ambient lighting is limited.
The dial is protected by a curved Hardlex crystal. Hardlex is Seiko's proprietary hardened mineral crystal, designed to provide practical protection for everyday wear.
The watch also features a transparent screw-down case back, allowing the wearer to view the automatic movement inside.
The SSK059 uses a stainless steel case measuring 39.4mm in diameter. Its 13.6mm thickness and 47.9mm lug-to-lug length create balanced proportions, while the matching stainless steel bracelet completes the watch's versatile design.
The bracelet features a three-fold clasp with push-button release and a secure locking mechanism. Its 20mm lug width provides the watch with a balanced connection between the case and bracelet.
With water resistance rated at 10 bar, equivalent to 100 meters, the Seiko SSK059 is suitable for swimming and recreational water activities when used according to Seiko's care and operating recommendations.
As with any mechanical watch, it is important to ensure the crown is properly secured before exposure to water and to avoid operating the crown or buttons while the watch is wet.
| Brand | Seiko |
| Collection | Seiko 5 Sports |
| Series | Field GMT |
| Model | SSK059 |
| Reference | SSK059K1 |
| Movement | Automatic with manual winding |
| Caliber | Seiko 4R34 |
| Jewels | 24 |
| Power Reserve | Approximately 41 hours |
| Functions | GMT / Dual Time, hours, minutes, seconds, date |
| Case Material | Stainless steel |
| Case Diameter | 39.4 mm |
| Case Thickness | 13.6 mm |
| Lug-to-Lug | 47.9 mm |
| Dial Color | White |
| Crystal | Curved Hardlex |
| Bracelet | Stainless steel |
| Lug Width | 20 mm |
| Luminescence | LumiBrite on hands and indexes |
| Water Resistance | 10 bar / 100 meters |
| Case Back | Transparent screw-down |
| Clasp | Three-fold clasp with push-button release |
| Weight | 147 g |
| Magnetic Resistance | 4,800 A/m |
The Seiko 5 Sports SSK059 is an appealing choice for watch enthusiasts who want mechanical GMT functionality in a versatile everyday watch. Its second-time-zone display is especially useful for travelers and people who work across international time zones.
Its white dial, orange GMT hand, and stainless steel bracelet also make it a versatile option for those who appreciate functional design without sacrificing everyday style.
Yes. The SSK059 is powered by Seiko's Caliber 4R34 automatic mechanical movement, which also supports manual winding.
Yes. Its dedicated 24-hour GMT hand allows the wearer to track a second time zone alongside local time.
The Seiko 4R34 movement provides an approximate power reserve of 41 hours when fully wound.
The stainless steel case measures 39.4mm in diameter, 13.6mm in thickness, and 47.9mm from lug to lug.
Yes. Its 10 bar (100-meter) water resistance rating makes it suitable for swimming and recreational water activities, provided the watch is used according to the manufacturer's instructions.
No. This model uses a curved Hardlex crystal.
Yes. It features a transparent screw-down case back that reveals the automatic movement.
The Seiko 5 Sports SSK059 is listed at $450.00 at Lexor Miami. Please check the product page for current availability.
Bring mechanical GMT functionality into your everyday collection with the Seiko 5 Sports Field GMT SSK059. Its Caliber 4R34 automatic movement, crisp white dial, stainless steel construction, and 100-meter water resistance make it a versatile timepiece for daily wear and travel.
Explore the Seiko SSK059 at Lexor Miami, listed for $450.00.
VIEW SEIKO SSK059 — $450