Specifications Movement Caliber Number 4R35 Movement Type Automatic with manual winding Power reserve Approx. 41 hours Jewels 23 Functions Stop second hand function Date display Case/Band Case Material Stainless steel Case Size Thickness:11.0mm Diameter:34.3mm Lug-to-lug:41.2mm Crystal Dual-curved sapphire crystal Clasp Deployment clasp with push button release Bracelet Length 205.0mm Distance between lugs 17mm Other Details Water Resistance Splash Resistant Weight 99.0g Features See-through & Screw case back