SpecificationsExteriorCase MaterialStainless steel case with super-hard coatingSilicone/Rubber Strap IncludedGlass CoatingAnti-reflective coating on inner surfaceCase SizeThickness: 13.05㎜Diameter: 44㎜Length: 50.96㎜MovementCaliber Number - 6R15Driving System - Automatic with manual winding mechanismDuration - Power reserve: Approx. 50 hoursSpecificationsWater Resistance - 200m diver's watch for air divingOther FeaturesScrew case backUnidirectional rotating bezelScrew-down crownThree-fold clasp with secure lock23 jewelsStop second hand function