Specifications Movement Caliber Number 6N01 Precision ±15 seconds per month Battery life Approx. 3 years Case/Band Case Material Stainless steel Case Size Thickness:6.9mm Diameter:26.0mm Lug-to-lug:33.0mm Crystal Curved Hardlex Clasp Three-fold clasp with push button release Distance between lugs 12 Other Details Water Resistance Splash Resistant Magnetic Resistance 4,800 A/m Weight 52.0 Features Case with crystal glass