Orient x Automatic ft. Mako III aka Kamasu Men Formal Round 200m Water Resistant Watch RA-AA0002L This 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 / Movement F6922 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 40 hours (+25 to -15 seconds per day) Crystal Sapphire crystal Luminous Luminous on hands, indexes and bezel Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with secure lock, push-button release) Water Resistance 200m / 20 bar Case Size Thickness: 13.0 mm Diameter: 41.8 mm Length: 46.8 mm Lug width: 22.0 mm Other Specifications Orient x Automatic ft. Mako III aka Kamasu Unidirectional rotating bezel Screw-down crown Screw case back 22 jewels Day and date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)