Seiko SUR605
Ref. SUR605 · In production · Seiko label: Women's
- Case34 mm
- Thick8.9 mm
- Lug-to-lug40.8 mm
- Water res.200 m
- MovementQuartz
- CrystalSapphire
Overview
The Seiko SUR605 is a diver watch from the Prospex collection, part of the Sea family. It has a 34 mm stainless steel case, 8.9 mm thick, 40.8 mm from lug to lug. Inside is a quartz movement (calibre 6N01). You also get 200 m water resistance, a sapphire crystal and a bracelet.
Who it suits
- Wrists of roughly 13.7–15.3 cm (5.4–6.0 in), by our Watch Finder sizing guide
- Swimming, snorkelling and diving
- Shirt cuffs and smarter dress codes
- Grab-and-go wear without winding or setting
Strengths
- Sapphire crystal resists scratches
- 200 m water resistance
- Slim at 8.9 mm
- Compact 40.8 mm lug-to-lug suits smaller wrists
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 34 mm | seikowatches.com · 23 Oct 2026 |
|---|---|---|
| Thickness | 8.9 mm | seikowatches.com · 23 Oct 2026 |
| Lug-to-lug | 40.8 mm | seikowatches.com · 23 Oct 2026 |
| Case material | Stainless steel | seikowatches.com · 23 Oct 2026 |
| Crystal | Sapphire | seikowatches.com · 23 Oct 2026 |
| Caseback | Screw | seikowatches.com · 23 Oct 2026 |
| Water resistance | 200 m | seikowatches.com · 23 Oct 2026 |
| Magnetic resistance | 4,800 A/m | seikowatches.com · 23 Oct 2026 |
Dial
| Luminous material | LumiBrite | seikowatches.com · 23 Oct 2026 |
|---|
Movement
| Movement type | Quartz | seikowatches.com · 23 Oct 2026 |
|---|---|---|
| Calibre | 6N01 | seikowatches.com · 23 Oct 2026 |
| Made in-house | Yes | seikowatches.com · 23 Oct 2026 |
Strap / Bracelet
| Bracelet / strap | Bracelet | seikowatches.com · 23 Oct 2026 |
|---|---|---|
| Lug width | 16 mm | seikowatches.com · 23 Oct 2026 |
Other
| US list price (MSRP) | $795 | seikowatches.com · 23 Oct 2026 |
|---|---|---|
| Production status | In production | seikowatches.com · 23 Oct 2026 |
| Style (our classification) | Diver | our classification |
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.
Variants with the same specs
Same case, movement and bracelet or strap; typically a different dial or finish.
More in Sea
Similar alternatives
Picked with Watch Finder's style tags and sizing.
Questions about the Seiko SUR605
How big is the Seiko SUR605?
The case is 34 mm wide, 8.9 mm thick and 40.8 mm from lug to lug.
What movement does the Seiko SUR605 use?
It uses the 6N01 calibre, a quartz movement.
Can I swim with the Seiko SUR605?
Yes. It is rated to 200 m.
How much is the Seiko SUR605?
The US list price was $795 on seikowatches.com when we checked on 23 Oct 2026. Prices change, so check before you buy.
Will the Seiko SUR605 fit my wrist?
By our sizing guide it sits best on wrists of about 13.7–15.3 cm (5.4–6.0 in). Use the fit checker on this page to test your own wrist.
Watch.co is independent and not affiliated with any brand. Brand names are used only to identify products.