Specifications 200m / 660 ft diver's200m / 660 ft diver's MechanicalMechanical Movement Caliber Number 6R35 Movement Type Automatic with manual winding capacity Accuracy +25 to -15 seconds per day Exterior Case Material Stainless steel Crystal Sapphire crystal LumiBrite Lumibrite on hands, indexes and bezel Clasp Three-fold clasp with secure lock , push button release with extender Other Details Water Resistance 200m / 660ft diver's Case Size Thickness: 12.9 ㎜ Diameter: 45 ㎜ Length: 52.6 ㎜ Weight 188.0 g Other Specifications Screw case back Screw-down crown SPECIAL EDITION on the case back Three-fold clasp with secure lock Unidirectional rotating bezel Other Features 24 jewels Date display Stop second hand function