This Omega Seamaster Diver 300M Co-Axial Chronometer Gents Watch has a 41mm case that houses an automatic movement, while the blue dial features index and dot hour markers. It comes on an 8 inch stainless steel bracelet with a fold over buckle. Its features include a chronometer, a date indicator, a screw-down crown, unidirectional rotating bezel, and a helium escape valve.