Caliber Number V157
Solar Movement
±15 seconds per month Accuracy
Operating for approx. 10 months (when fully charged) Duration
Case Stainless steel
Crystal Hardlex
LumiBrite on hands and indexes
Three-fold clasp with secure lock , push button release with extender
Water Resistance 200m / 660ft diver's 
Case Thickness: 11.5mm
Case Diameter: 43.5mm
Case Length: 49.8mm
Screw case back
Screw-down crown
Three-fold clasp with secure lock
Unidirectional rotating bezel
Date display
Overcharge prevention function
Quick-start function

Packaging: New in box with manual