CASE WIDTH Diameter 44mm width, 15.2mm thick, 47mm lug to lug, brushed/polished stainless steel. BACK Brushed stainless steel. CRYSTAL Domed sapphire crystal, 4.4mm thick with anti-reflective coating. WATER-RESISTANCE 30 bar (~300 meters). MOVEMENT Seiko NH35 automatic movement, 24 jewels, power reserve 41 hours. FUNCTIONS Hours, minutes, seconds & date at 3 o'clock. BEZEL 41.5mm stainless steel with green ceramic insert. Anti-clockwise rotating bezel with diving scale. CROWN Stainless steel. DIAL Black burst with lume markers. STRAP Brushed/polished finishing steel bracelet.