Omega Seamaster Diver 300M Co-Axial Master Chronometer (210.32.42.20.10.001). Caliber 8800 automatic movement with Co-Axial escapement, certified Master Chronometer and 55 hours power reserve. Central seconds hand. Date window at the 6 o’clock position. Green ceramic dial with index hour markers. Green ceramic unidirectional rotating bezel set on a 42mm stainless steel case. Sapphire crystal on top and exhibition case back. Water resistant to 300m. Rubber strap.