Seiko SPB461J1
| Movement Type | Automatic with manual winding |
| Power Reserve | Approx. 72 hours(3 days) |
| Functions | Stop second hand function |
| Case Material | Stainless steel |
| Case Thickness | 11.6 mm |
| Case Width | 36.1 mm |
| Case Material | Stainless steel |
| Crystal | Box shaped sapphire crystal |
| Water Resistance | 10 bar |
| Weight | 129 g |
| Features | Interchangeable band with quick release spring bars; Screw case back |