Seiko SPB279
Ref. SPB279 · In production
- Case37 mm
- Thick12.1 mm
- Water res.100 m
- MovementAutomatic
- CrystalSapphire
Overview
The Seiko SPB279 is a dress watch from the King Seiko collection. It has a 37 mm stainless steel case, 12.1 mm thick. Inside is a automatic movement (calibre 6R31) with 70 h of power reserve. You also get 100 m water resistance and a sapphire crystal.
Who it suits
- Wrists of roughly 14.7–16.6 cm (5.8–6.5 in), by our Watch Finder sizing guide
- Everyday wear including swimming
- Shirt cuffs and smarter dress codes
Strengths
- Sapphire crystal resists scratches
- 70 h power reserve survives a weekend off the wrist
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 37 mm | seikowatches.com · 23 Oct 2026 |
|---|---|---|
| Thickness | 12.1 mm | seikowatches.com · 23 Oct 2026 |
| Case material | Stainless steel | seikowatches.com · 23 Oct 2026 |
| Crystal | Sapphire | seikowatches.com · 23 Oct 2026 |
| Water resistance | 100 m | seikowatches.com · 23 Oct 2026 |
Movement
| Movement type | Automatic | seikowatches.com · 23 Oct 2026 |
|---|---|---|
| Calibre | 6R31 | seikowatches.com · 23 Oct 2026 |
| Power reserve | 70 h | seikowatches.com · 23 Oct 2026 |
Strap / Bracelet
| Lug width | 19 mm | seikowatches.com · 23 Oct 2026 |
|---|
Other
| US list price (MSRP) | $1,700 | seikowatches.com · 23 Oct 2026 |
|---|---|---|
| Production status | In production | seikowatches.com · 23 Oct 2026 |
| Style (our classification) | Dress | seikowatches.com · 23 Oct 2026 |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
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Questions about the Seiko SPB279
How big is the Seiko SPB279?
The case is 37 mm wide, 12.1 mm thick.
What movement does the Seiko SPB279 use?
It uses the 6R31 calibre, a automatic movement with 70 h of power reserve.
Can I swim with the Seiko SPB279?
Yes. It is rated to 100 m.
How much is the Seiko SPB279?
The US list price was $1,700 on seikowatches.com when we checked on 23 Oct 2026. Prices change, so check before you buy.
Will the Seiko SPB279 fit my wrist?
By our sizing guide it sits best on wrists of about 14.7–16.6 cm (5.8–6.5 in). Use the fit checker on this page to test your own wrist.
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