Image not availableLuminox
Navy SEAL 3500, 45mm, Military Dive Watch, Arctic Edition
- 45 mm
- 200 m WR
- Quartz
Likely to go on sale
Color not published
$416.50
1 retailer
G-Shock 7900 Series
The Casio G-Shock 7900 Series is a 50 mm, 200 m water-resistant digital watch with a mineral crystal.
- Case
- 50 mm
- Water
- 200 m (656 ft)
- Movement
- Not published
- Thickness
- 17.7 mm
Image not availableColors: Black
What the data says
- Lighter than 80% of the 5 other watches we list in the 48–52 mm range.
Computed from the specs below. How we write summaries.
Full specs
Last verified Oct 5, 2026
Casio’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 | 50 mm |
|---|---|
| Thickness | 17.7 mm |
| Lug to lug | 52.4 mm |
| Weight (manufacturer) | 0.15 lb (68 g) |
| Case | Resin |
| Crystal | Mineral |
| Strap | Resin Band |
| Water resistance | 200 m (656 ft) |
|---|---|
| Shock resistant | Yes |
| Display | Digital |
|---|---|
| Style | Digital |
| Colorways | Black |
|---|---|
| Warranty | 1 year |
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Navy SEAL 3500, 45 mm, Dive Watch - 3503
- 45 mm
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