Image not availableCitizen
Eco-Drive Promaster Land GMT Watch
- 39.5 mm
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5 Sports Automatic GMT Field Watch
The Seiko 5 Sports Automatic GMT Field Watch is a 39.4 mm, 100 m water-resistant automatic field watch.
- Case
- 39.4 mm
- Water
- 100 m (328 ft)
- Movement
- Automatic
- Thickness
- 13.6 mm
Image not availableFull specs
Last verified Oct 5, 2026
Seiko’s own site doesn’t allow automated reading, so specs, prices and photos come from Long Island Watch’s product page (longislandwatch.com), a retailer that sells it. Unless marked otherwise, every spec is quoted from that page.
| Case diameter | 39.4 mm |
|---|---|
| Thickness | 13.6 mm |
| Lug to lug | 47.9 mm |
| Lug width | 20 mm |
| Weight (manufacturer) | 0.32 lb (147 g) |
| Case | Stainless steel |
| Strap | Stainless steel bracelet with three-fold clasp with push button release |
| Water resistance | 100 m (328 ft) |
|---|
| Movement | Automatic |
|---|---|
| Caliber | Seiko 4R34 |
| Battery / power reserve | 41-hour power reserve |
| Display | Analog |
| Style | Field |
| Luminous hands/markers | Yes |
| Date | Yes |
| Colorways | Black Dial, White Dial |
|---|---|
| Built for | Travel, Everyday carry |
| Warranty | 2 year |
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