Omega Men's 2222.80.00 Seamaster 300M Chronometer Imported Precise automatic swiss Movement Sapphire crystal; Brushed and polished stainless steel case and bracelet Date function Blue textured dial with luminous hands and hour markers; Self winding chronometer; 48 hours power reserve; Screw down crown; Blue unidirectional bezel Water resistant to 990 feet (300 M):suitable for scuba diving to a depth of 30 meters for up to 2 hours