Omega Men' s Seamaster Diver 300M Quartz Series Watch # 2264.50.00 Caliber: Omega 1538. Quartz precision movement with rhodium-plated finish. Stainless steel bracelet. Stainless steel case with black unidirectional rotating bezel. Black dial with indexes. Power reserve of 27/36 months. 6 jewels. Date indicator at 3 o’clock position. End of battery life indicator. Luminous hands and markers. Domed anti-reflective, scratch-resistant sapphire crystal. Helium escape valve. Screw down crown. Water resistant to 300 meters. Case diameter: 41 mm