MovementCaliber Number:4R36Movement Type:Automatic with manual windingDuration:Approx. 41 hoursExteriorCase Material:Stainless steelCrystal:Curved HardlexLumiBrite:Lumibrite on hands and indexesClasp:Three-fold clasp with push-button releaseOther Details:Water Resistance: 10 barCase SizeThickness: 13.2㎜Diameter: 39.4㎜Length: 48.1㎜Weight: 146.0gBracelet Length: 205㎜Other SpecificationsScrew case backSee-through case backThree-fold clasp with secure lockOther Features24 jewelsDay/Date displayStop-seconds hand function