Seiko SPB225J1
| Movement Type | Automatic with manual winding |
| Power Reserve | Approx. 45 hours |
| Functions | 24-hour hand (dual time display function), Date hand, Power reserve indicator, Calendar-linked time difference adjustment function, Stop second hand function |
| Case Material | Stainless steel (super hard coating) |
| Case Thickness | 13.7 mm |
| Case Width | 42.2 mm |
| Case Material | Stainless steel (super hard coating) |
| Crystal | Sapphire crystal |
| Water Resistance | 10 bar |
| Weight | 181 g |
| Features | See-through & Screw case back |