Seiko Essentials SUR (40 mm, sapphire)
Seiko's quartz three-hander with a black dial, sapphire crystal, 100 m water resistance and a steel bracelet: the hardware of a much pricier watch with a battery movement.
In stock · sold by OutdoorEquipped. Price as of November 3, 2026, 18:15 UTC.
2 versions of the Seiko Essentials SUR (40 mm, sapphire)
Same case and movement, different dial, bezel or strap. Each line is its own Amazon listing with its own price today; the strap variants earn fewer spec points than the bracelet.
| Reference | Dial / strap | Strap | Spec pts | Price | Value Score | Sales rank | Buy |
|---|---|---|---|---|---|---|---|
 SUR311 | Black dial | Steel | 51 | $249.00third-party | 52 | #117 | Amazon |
SUR527 Best value | Green dial | Steel | 51 | $212.00third-party | 56 | #117 | Amazon |
Amazon.com prices as of November 3, 2026, 18:15 UTC — details.
What you get
Published manufacturer specifications. Fields we could not verify are left out rather than guessed.
How the 51 spec points add up
Value Score = 100 × √(spec points per dollar ÷ the best ratio among quartz dress and integrated-bracelet watches in stock on Amazon today). Full methodology.
Compared with other quartz dress and integrated-bracelet watches
Same type, other model families, verified Amazon prices today. See the full Quartz Dress & Integrated Watches ranking →
| # | Watch | Movement | Crystal | Water res. | Case diameter × lug-to-lug | Fits wrist | Spec pts | Price | Value Score | Buy |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Quartz | Mineral | 50 m | 40 × 44.2 mm | ≥ 15.9 cm (6.3″) | 37 | $47.95third-party | 100 | Amazon |
| 2 |  | Quartz | Mineral | 50 m | 38.5 mm | — | 37 | $55.02third-party | 93 | Amazon |
| 3 |  | Quartz | Mineral | 50 m | 40 mm | — | 38 | $81.74 | 78 | Amazon |
| 4 | | Quartz (6N52) | Sapphire | 100 m | 40.2 mm | — | 51 | $212.00third-party | 56 | Amazon |
| 5 |  | Quartz | Acrylic | 50 m | 38 mm | — | 35 | $147.99third-party | 55 | Amazon |
| 6 |  | Quartz | Sapphire | 100 m | 40 mm | — | 59 | $350.00 | 47 | Amazon |
| 7 |  | Quartz (F06.115) | Sapphire | 100 m | 40 × 44.5 mm | ≥ 16 cm (6.3″) | 55 | $450.00 | 40 | Amazon |
Amazon.com prices as of November 3, 2026, 18:15 UTC — details. third-party = sold by a marketplace seller, not Amazon (warranty may differ); ships later = not in stock today, never crowned best value.
Questions about the Seiko Essentials SUR (40 mm, sapphire)
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Guides that apply to this watch
- Ranked among watches under $300
- This listing is below its list price today: all watches below list price
- What the water-resistance rating actually permits
- Sapphire vs Hardlex vs mineral: what the crystal changes
- Automatic vs solar vs quartz: accuracy and running cost
- Watch gift guide by budget and recipient
- Buying a watch on Amazon: sellers, warranty, returns