Omega Seamaster Planet Ocean 188.8.131.52.01.001. Automatic co-axial movement Omega caliber 8500. 45.5mm case diameter. Water resistant to 600 meters with helium escape valve (top left). Black dial with applied luminous hour markers and Arabic numerals. Power reserve 60 hours. Date at 3 o’clock position. Orange uni-directional bezel. See through sapphire crystal back. Orange rubber strap with folding clasp. Box and Papers dated February 2016. Our reference S21227.