Omega Seamaster Planet Ocean Co-Axial (220.127.116.11.01.001). Caliber Omega 8900 automatic co-axial Master Chronometer movement with central seconds hand. Date window at 3 o`clock position. Black ceramic dial with Roman numerals and index hour makers. Black ceramic rotating bezel stamped with Arabic numerals diving scale. Stainless steel 43.5mm case. Sapphire crystal on top and exhibition case back. Helium-escape valve at 10 o`clock position. Sapphire crystal on top and exhibition case back. Water resistant to 600M. Stainless steel bracelet.