Seiko SPB485J1
| Movement Type | Automatic with manual winding |
| Power Reserve | Approx. 72 hours(3 days) |
| Functions | Stop second hand function |
| Case Material | Stainless steel |
| Case Thickness | 12.5 mm |
| Case Width | 41.3 mm |
| Case Material | Stainless steel |
| Crystal | Sapphire crystal |
| Water Resistance | 300m / 1000ft diver's |
| Features | Unidirectional rotating bezel; Screw-down crown; Screw case back |