Other Details Water Resistance Splash Resistant Case Size Thickness:7.9 LDiameter:29.2 LLength:37.4 L Weight 60.0 g Other Specifications ? Case with crystal glass ? Exterior ? Case Material ? Stainless steel ? Crystal ? Hardlex ? Clasp ? Three-fold clasp with push button release ? Movement ? Caliber Number ? 6N01 ? Accuracy ? 15 seconds per month ? Battery life ? Approx. 3 years