CASE WIDTH Diameter 45mm width, 16.55mm thick, 50.5mm lug to lug, brushed/polished stainless steel. BACK Brushed stainless steel. CRYSTAL Sapphire crystal, 4.1mm thick with anti-reflective coating. WATER-RESISTANCE 60 bar (~600 meters) helium escape valve at 9 o'clock. MOVEMENT Miyota 9134 premium automatic movement, 26 jewels, power reserve 40 hours. FUNCTIONS Hours, minutes, seconds, power reserve, 24H display & date at 4 o'clock. BEZEL Stainless steel with black ceramic insert. Anti-clockwise rotating bezel with diving scale. CROWN Stainless steel at 4 o'clock. DIAL Deepblue with lume markers. STRAP Brushed/polished finishing steel bracelet.