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:11.3mm Diameter:33.8mm Crystal Box-shaped Hardlex Band Material Calfskin Clasp Three-fold clasp with push button release Distance between lugs 17mm Other Details Water Resistance 5 bar Weight 50.0g