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:11.8mm Diameter:40.5mm Crystal Box - shaped Hardlex Band Material - Leather Clasp Three - fold clasp with push button release Distance between lugs - 20 Other Details Water Resistance - 5 bar Weight - 70.0g Features - See-through & Screw case back