Seiko SJE109J1
| Movement Type | Automatic with manual winding |
| Functions | Stop second hand function, Date display |
| Case Material | Stainless steel |
| Case Thickness | 9.9 mm |
| Case Width | 39.4 mm |
| Case Material | Stainless steel |
| Crystal | Box shaped sapphire crystal |
| Water Resistance | 5 bar |
| Weight | 126.0 |
| Features | Screw case back |