Movement Caliber Number 6N22 Precision ±15 seconds per month Battery life Approx. 3 years Case/Band Case Material Stainless steel Case Size Thickness:7.5mm Diameter:29.9mm Lug-to-lug:35.6mm Crystal Sapphire crystal Band Material Calfskin Distance between lugs 14 Other Details Water Resistance 10 bar Weight 28.0