Orient x Automatic ft. Mako III aka Kamasu Men Formal Round 200m Water Resistant Watch RA-AA0001BThis diver style watch features a 41.8 mm stainless steel case, perfect for professional and outdoor use. It has a screw-down crown for water resistance, a uni-directional rotating bezel, luminescent indices, luminous silver hands, a date window, and bright white hour markers for excellent visibility.Caliber Number / MovementF6922 (automatic with manual winding capacity)Power Reserve / AccuracyApproximately 40 hours (+25 to -15 seconds per day)CrystalSapphire crystalLuminousLuminous on hands, indexes and bezelCase / Band MaterialStainless steel case with stainless steel band (three-fold clasp with secure lock, push-button release)Water Resistance200m / 20 barCase SizeThickness: 13.0 mmDiameter: 41.8 mmLength: 46.8 mmLug width: 22.0 mmOther SpecificationsOrient x Automatic ft. Mako III aka KamasuUnidirectional rotating bezelScrew-down crownScrew case back22 jewelsDay and date displayStop second hand function (hacking mechanism)Regular timekeeping (analog display)