Specifications : MOVEMENT : Caliber Number :4R35 Movement Type :Automatic with manual winding capacity Duration :Approx. 41 hours EXTERIOR : Case Material :Stainless steel Crystal :Box-shaped Hardlex Clasp :Deployment clasp with push button release OTHER DETAILS : Water Resistance :5 bar(50m) Case Size Thickness: 11.3 ㎜ Diameter: 33.8 ㎜ Length: 40.4 ㎜ Other Specifications: Screw case back See-through case back Other Features 23 jewels Date display Stop second hand function