Seiko SLA077J1
| Movement Type | Automatic with manual winding |
| Power Reserve | Approx. 50 hours |
| Functions | 28,800 vibrations per hour (8 beats per second), Stop second hand function, Date display |
| Case Material | Stainless steel |
| Case Thickness | 13.4 mm |
| Case Width | 42.6 mm |
| Case Material | Stainless steel |
| Crystal | Dual-curved sapphire crystal |
| Water Resistance | 300m / 1000ft diver's |
| Weight | 196 g |
| Features | Unidirectional rotating bezel; Screw-down crown; Three-fold clasp with secure lock; Screw case back |