Specifications Movement Caliber Number 4R36 Movement Type Automatic with manual winding Duration Approx. 41 hours Jewels 24 Functions Stop second hand function Day/Date display Case/Band Case Material Stainless steel Case Size Thickness:12.5mm Diameter:37.4mm Lug-to-lug:44.7mm Crystal Curved Hardlex LumiBrite Lumibrite on hands and index(es) Clasp Three-fold clasp with push button release Lug width 18 Other Details Water Resistance 10 bar Magnetic Reluctance 4,800 A/m Weight 125.0 Features See-through & Screw case back