Orient x Automatic ft. Classic aka Sun Moon aka Open Heart Men Formal Round 50m Water Resistant Watch RA-AS0008B Discover the Orient RA-AS0008B automatic watch featuring a unique sun and moon day/night display and semi-skeleton dial. This contemporary timepiece combines a stainless steel case, curved sapphire crystal, and automatic movement for sophisticated watch enthusiasts. Caliber Number / Movement F6L24 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 40 hours (+25 to -15 seconds per day) Crystal Sapphire crystal Luminous Nil 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: 14.0 mm Diameter: 42.0 mm Length: 49.5 mm Lug width: 21.0 mm Other Specifications Orient x Automatic ft. Classic aka Sun Moon aka Open Heart See-through case back Screw case back 22 jewels 24-hour display Semi-skeleton dial Stop second hand function (hacking mechanism) Regular timekeeping (analog display)