Seiko SJE099J1
| Movement Type | Automatic with manual winding |
| Power Reserve | Approx. 45 hours |
| Functions | 28,800 vibrations per hour (8 beats per second), Stop second hand function |
| Case Material | Stainless steel |
| Case Thickness | 12.3 mm |
| Case Width | 39.5 mm |
| Case Material | Stainless steel |
| Crystal | Box shaped sapphire crystal |
| Water Resistance | 200m / 660ft diver's |
| Weight | 155.0g |
| Features | Unidirectional rotating bezel; Screw-down crown; See-through & Screw case back |