Image not availableSeiko
Prospex Speedtimer Solar 1/100 second Ltd Ed Chronograph
- 42 mm
- 100 m WR
- Solar quartz
SolarSapphireLikely to go on sale
Colors: Brown Dial
$740
1 retailer
M20 DSS Diver [42mm]
The Momentum M20 DSS Diver [42mm] is a 42 mm, 200 m water-resistant quartz dive watch with a sapphire crystal.
- Case
- 42 mm
- Water
- 200 m (656 ft)
- Movement
- Quartz
- Thickness
- 13 mm
![Momentum M20 DSS Diver [42mm]](https://cdn.shopify.com/s/files/1/0540/8768/0178/files/M20_Black_Dial_B_Bezel_SS_189aec98-8d72-4448-a91c-47add8e1790e.webp?width=640)
Image not availableColors: Black
What the data says
- Lowest in-stock price is 12% below list price this week.
Computed from the specs below. How we write summaries.
Full specs
Last verified Oct 5, 2026
Unless marked otherwise, specs are from the manufacturer’s product page (momentumwatch.com).
| Case diameter | 42 mm |
|---|---|
| Thickness | 13 mm |
| Lug to lug | 50 mm |
| Lug width | 22 mm |
| Case | Stainless steel |
| Crystal | Sapphire |
| Strap | Stainless steel bracelet (Oceanflex rubber and Hyper rubber options) |
| Water resistance | 200 m (656 ft) |
|---|
| Movement | Quartz |
|---|---|
| Caliber | Ronda 515 |
| Battery / power reserve | 4–5 year battery-change interval |
| Display | Analog |
| Style | Dive |
| Luminous hands/markers | Yes |
| Colorways | Black |
|---|---|
| Built for | Diving, Travel, Everyday carry |
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