Omega Seamaster Diver 300mm Blue Dial Steel Mens Watch 2531.80.00 Box Card. Automatic self-winding movement. Stainless steel case 41.0 mm in diameter. Omega logo on the crown. Helium escape valve at 10 o'clock. Blue unidirectional rotating bezel. Scratch resistant sapphire crystal. Blue wave decor dial with luminous skeleton hands and dot hour markers. Date window at 3 o'clock aperture. Stainless steel bracelet with folding clasp and divers extension. Will fit up to 8" wrist.