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1 retailer
Kamasu GMT
The Orient Kamasu GMT is a 42.8 mm, 200 m water-resistant automatic dive watch with a sapphire crystal.
- Case
- 42.8 mm
- Water
- 200 m (656 ft)
- Movement
- Automatic
- Thickness
- 13.4 mm
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What the data says
- Lowest in-stock price is 21% below list price this week.
Computed from the specs below. How we write summaries.
Full specs
Last verified Oct 20, 2026
Unless marked otherwise, specs are from the manufacturer’s product page (orientwatchusa.com).
| Case diameter | 42.8 mm |
|---|---|
| Thickness | 13.4 mm |
| Lug to lug | 49.5 mm |
| Lug width | 22 mm |
| Case | Stainless steel |
| Crystal | Sapphire |
| Strap | Stainless steel bracelet with foldover clasp and safety, solid end links |
| Water resistance | 200 m (656 ft) |
|---|
| Movement | Automatic |
|---|---|
| Caliber | Orient F6P22 |
| Battery / power reserve | 40-hour power reserve |
| Display | Analog |
| Style | Dive |
| Luminous hands/markers | Yes |
| Rotating bezel | Yes |
| Date | Yes |
| Built for | Everyday carry |
|---|---|
| Warranty | Three-year warranty |
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