This model sports a black dial with a date at 3 o´clock. The distinctive dial is visible through a scratch-resistant sapphire crystal. The unidirectional rotating bezel, in black ceramic, is mounted in a 41 mm stainless steel case, with a helium escape valve at 10 o´clock. The watch is available with a stainless steel bracelet. This OMEGA Seamaster Diver 300M is equipped with the caliber 2500 Co-Axial.