Caliber Number 4R57 Movement Type Automatic with manual winding capacity Accuracy +45 to -35 seconds per day Duration Approx. 41 hours Case Material Stainless steel Crystal Hardlex Band Material Calfskin Clasp Three-fold clasp with push button release Water Resistance 5 bar Case Size Thickness: 14.4 ㎜ Diameter: 40.5 ㎜ Length: 47.5 ㎜ Other specifications Screw case back See-through case back 29 jewels Date hand Power reserve display Stop second hand function