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
Atlas Eclipse Solar [42mm]
The Momentum Atlas Eclipse Solar [42mm] is a 42 mm, 100 m water-resistant solar quartz field watch with a sapphire crystal.
- Case
- 42 mm
- Water
- 100 m (328 ft)
- Movement
- Solar quartz
- Thickness
- 12 mm
![Momentum Atlas Eclipse Solar [42mm]](https://cdn.shopify.com/s/files/1/0540/8768/0178/files/atlas_42_black_titanium_4ab6235f-e3b7-4c9f-b11f-2b847680f72c.png?width=640)
![Momentum Atlas Eclipse Solar [42mm]](https://cdn.shopify.com/s/files/1/0540/8768/0178/files/Atlas42titanium.png?width=640)
Image not availableWhat the data says
- Lowest in-stock price is 14% 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 (momentumwatch.com).
| Case diameter | 42 mm |
|---|---|
| Thickness | 12 mm |
| Lug to lug | 50.5 mm |
| Lug width | 22 mm |
| Case | Titanium |
| Crystal | Sapphire |
| Strap | Titanium bracelet |
| Water resistance | 100 m (328 ft) |
|---|
| Movement | Solar quartz |
|---|---|
| Caliber | Epson VS43 |
| Battery / power reserve | Up to 6 months in pitch darkness (solar) |
| Display | Analog |
| Style | Field |
| Luminous hands/markers | Yes |
| Colorways | Black, White |
|---|---|
| Built for | Everyday carry |
| Warranty | 6-year warranty |
Similar watches from other brands
Image not available
Image not availableSeiko
Prospex Speedtimer Solar 1/100 second PVD Ltd Ed Chronograph
- 42 mm
- 100 m WR
- Solar quartz
SolarSapphireLikely to go on sale
Color not published
$760
1 retailer
Image not available$189
1 retailer