Omega Seamaster Planet Ocean Co-Axial (188.8.131.52.03.001). Caliber Omega 8900 automatic co-axial Master Chronometer movement with central seconds hand. Date window at 3 o`clock position. Blue ceramic dial with Roman numerals and index hour makers. Blue 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. Water resistant to 600M. Stainless steel bracelet.