Seiko Alpinist SARB017 (Green Dial) vs Seiko Prospex Turtle SRP777
Specifications
Marked rows differ| Case | ||
| Case diameter | 38 mm | 44.3 mm |
|---|---|---|
| Thickness | 12 mm | 14 mm |
| Lug-to-lug | — | 48 mm |
| Water resistance | 200 m | 200 m |
| Movement | ||
| Movement | Automatic (self-winding, with manual winding and hacking seconds) | Automatic (self-winding, with hand-winding and hacking seconds) |
| Caliber | Seiko 6R15 | Seiko 4R36 |
| Price | ||
| Launch MSRP | — | $475 |
| Details | ||
| Beat rate vph | — | 21600 |
| Bezel | — | Unidirectional rotating elapsed-timing bezel with luminous pip at 12:00 |
| Bezel clicks | — | 120 |
| Case material | Stainless steel (polished and brushed) | Stainless steel |
| Compass bezel | Internal rotating compass ring operated by a second crown at 4 o'clock | — |
| Crown | — | Screw-down offset crown |
| Crystal | Curved sapphire (scratch resistant) | Hardlex mineral |
| Day date display | — | Day-date at 3:00 (English/Spanish day wheel) |
| Dial color | Green sunburst | Black |
| Discontinued | — | true |
| Frequency vph | 21600 | — |
| Hands | Gold-tone cathedral hands | — |
| Jewels | 23 | 24 |
| Lug width mm | 20 | 22 |
| Lume | Luminous-coated hands and markers | Seiko LumiBrite on hands and markers |
| Power reserve hours | 50 | 41 |
| Production years | 2006–2018 | — |
| Release year | — | 2016 |
| Strap | Brown leather with buckle closure | Silicone rubber dive strap, 22mm |
Sources
Verified · 14 referencesEvery spec on this page was independently checked against the sources below before publishing.