Movement Caliber Number 6N22 Precision ±15 seconds per month Battery life Approx. 3 years Case/Band Case Material Stainless steel Case Size Thickness:7.4mm Diameter:29.0mm Lug-to-lug:35.1mm Crystal Sapphire crystal Band Material Calfskin Distance between lugs 14mm Other Details Water Resistance 5 bar Weight 26.0g