Orient x Automatic ft. Contemporary aka Stretto Men Formal Round 50m Water Resistant Watch RA-AK0314E Discover the Orient Stretto Sun and Moon series, featuring a 40.8mm stainless steel case and a sophisticated automatic movement with a distinctive day/night indicator. Powered by the in-house Caliber F6B24 with 40-hour power reserve, this elegant timepiece offers sapphire crystal, luminous hands, and a 50m water-resistant design with exhibition case back. Caliber Number / Movement F6B24 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 40 hours (+25 to -15 seconds per day) Crystal Sapphire crystal Luminous Luminous on hands and indexes Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with push-button release) Water Resistance 50m / 5 bar Case Size Thickness: 13.0 mm Diameter: 41.5 mm Length: 48.0 mm Lug width: 22.0 mm Other Specifications Orient x Automatic ft. Contemporary aka Stretto See-through case back Screw case back 22 jewels Day, date and 24-hour display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)