Image not availableSeiko
5 Sports 38mm Automatic Watch
- 38 mm
- 100 m WR
- Automatic
Likely to go on sale
Colors: Vibrant Green Dial
$280
1 retailer
Atlas Automatic Full Lume [38mm]
The Momentum Atlas Automatic Full Lume [38mm] is a 38 mm, 100 m water-resistant automatic field watch with a sapphire crystal.
- Case
- 38 mm
- Water
- 100 m (328 ft)
- Movement
- Automatic
- Thickness
- 11.5 mm
![Momentum Atlas Automatic Full Lume [38mm]](https://cdn.shopify.com/s/files/1/0540/8768/0178/files/20260923172835_8143DF57.webp?width=640)
Image not availableColor not published
What the data says
- Lowest in-stock price is 5% 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 | 38 mm |
|---|---|
| Thickness | 11.5 mm |
| Lug to lug | 43 mm |
| Lug width | 20 mm |
| Case | Titanium |
| Crystal | Sapphire |
| Strap | Brown Cloud Leather |
| Water resistance | 100 m (328 ft) |
|---|
| Movement | Automatic |
|---|---|
| Caliber | Miyota 9015 |
| Battery / power reserve | 42-hour power reserve |
| Style | Field |
| Luminous hands/markers | Yes |
| Date | Yes |
| Built for | Everyday carry |
|---|
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