Orient Star x Automatic ft. Contemporary aka Semi-Skeleton Men Formal Round 50m Water Resistant Watch RE-HJ0004R Discover the Orient Star Contemporary Semi-Skeleton, a 41mm stainless steel automatic watch powered by the in-house Caliber F7F62 with a 50-hour power reserve, power reserve indicator, and small seconds subdial. The open heart reveals the movement, while the sapphire crystal with SAR coating and thin 10.8mm profile ensure comfort and clarity. Finished with a leather strap and 50m water resistance. Caliber Number / Movement F7F62 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 50 hours (+25 to -15 seconds per day) Crystal Sapphire crystal (super anti-reflective coating) Luminous Nil Case / Band Material Stainless steel case with leather band (deployment clasp with push-button release) Water Resistance 50m / 5 bar Case Size Thickness: 10.8 mm Diameter: 41.0 mm Length: 49.0 mm Lug width: 21.0 mm Other Specifications Orient Star x Automatic ft. Contemporary aka Semi-Skeleton Made in Japan Magnetic resistance (4,800 A/m) See-through case back Screw case back 24 jewels Power reserve indicator Equipped with small second hand Stop second hand function (hacking mechanism) Regular timekeeping (analog display)