SPECIFICATION : Driving system Automatic with manual winding capacity Caliber Number 6R35 Case Stainless steel Case coating Dia shield Glass Curved sapphire Glass coating Anti-reflective coating Lumi Brite Lumibrite on hands, indexs and bezel Accuracy +25 to -15 seconds per day Water-resistance Water resistance for diving Magnetic-reluctance Equipped Size H46.55mm × W42.65mm × D13.15mm Stop seconds hand function Screw case back Unidirectional rotating bezel Date display Screw-down crown Three-fold clasp with secure lock 24 jewels