Omega Seamaster Planet Ocean Co-Axial (188.8.131.52.04.001). Caliber Omega 8800 automatic co-axial Master Chronometer movement with central seconds hand. Date window at 3 o`clock position. White ceramic dial with index hour makers. White ceramic rotating bezel stamped with Arabic numerals diving scale. Stainless steel 39.5mm case. Sapphire crystal on top and solid 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.