This product is the international version Caliber Number 6L35 Movement Type Automatic with manual winding Precision +15 to -10 seconds per day Power reserve Approx. 45 hours Jewels 26 Functions Stop second hand function Date display Case/Band Case Material Stainless steel Case Size Thickness:10.7mm Diameter:38.6mm Lug-to-lug:45.8mm Crystal Box shaped sapphire crystal Crystal Coating Anti-reflective coating on inner surface Clasp Deployment clasp with push button release Distance between lugs 19 Other Details Water Resistance 5 bar Weight 130.0 Features Screw case back