Size: 40mm x 15mm Movement: 7751 Automatic Movement 28800bph Functions: Hours, Minutes, Seconds, 24H, Perpetual Calendar, Moonphase and Chrono Case: Stainless Steel 316L Dial: Black Dial Bezel: Stainless Steel 316L Crystal: Scratch-proof sapphire crystal with AR coating Strap: Stainless Steel 316L Bracelet Clasp: Deployment Clasp Water resistance: 50 Meters