Seiko Prospex Alpinist SPB155J1
Stainless steel 38mm case with 6R35 automatic movement.
Movement
| Caliber Number | 6R35 |
| Movement Type | Automatic with manual winding |
| Precision | +25 to -15 seconds per day |
| Power reserve | Approx. 70 hours |
| Jewels | 24 |
| Functions |
|
Case/Band
| Case Material | Stainless steel |
| Case Size |
|
| Crystal | Curved sapphire crystal |
| Crystal Coating | Anti-reflective coating on inner surface |
| LumiBrite | Lumibrite on hands and index(es) |
| Band Material | Calfskin |
| Clasp | Three-fold clasp with push button release |
| Distance between lugs | 20 |
Other Details
| Water Resistance | 20 bar |
| Weight |
144.0g |
| Features |
|