ExteriorCase Material - Stainless steel (hard coating)Glass Material - HardlexCase Size Thickness: 13.4㎜Diameter: 45㎜MovementCaliber Number - 4R36Movement Type - Automatic with manual winding capacityDuration - Approx. 41 hoursAccuracy+45 to -35 seconds per dayOther DetailsClaspThree-fold clasp with secure lock , push button release with extenderLumiBriteLumibrite on hands and indexsWater Resistance200m / 660ft diver'sFeatures24 jewelsDay/Date displayScrew case backScrew-down crownStop seconds hand functionThree-fold clasp with secure lockUnidirectional rotating bezel 3 YEAR WARRANTY