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 2100 Series
The Casio G-Shock 2100 Series is a 45.4 mm, 200 m water-resistant watch with a mineral crystal.
- Case
- 45.4 mm
- Water
- 200 m (656 ft)
- Movement
- Not published
- Thickness
- 11.8 mm
Image not availableWhat the data says
- Lighter than 100% of the 11 other watches we list in the 43–47 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 | 45.4 mm |
|---|---|
| Thickness | 11.8 mm |
| Lug to lug | 48.5 mm |
| Weight (manufacturer) | 0.11 lb (51 g) |
| Case | Resin |
| Crystal | Mineral |
| Strap | Resin Band |
| Water resistance | 200 m (656 ft) |
|---|---|
| Shock resistant | Yes |
| Colorways | White, Black |
|---|---|
| Warranty | 1 year |
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