
Movement: 6R15 23J Automatic
Hack function & Hand winding
Case: SS
Crystal: Hardlex
Lumi Brite: Available
Accuracy: +25/-15 sec per day
Waterproof: 200 m water resistance for divers
Anti-magnetic: Available
Power reserve: 50 hours
Diameter: 44 mm (without the crown)
Thickness: 13.3 mm
Crown: Screw-down crown

21 Jewel Self-Winding Automatic (Seiko Caliber 7S35)
Screw-Down Crown is also knurled for easy turning
Approximate 42.5 mm Case Width without Crown
Approvimate 14mm Case Thickness
Seiko Hardlex crystal is both durable and scratch resistant
200 meters water resistant - suitable for scuba diving