Representing the winning medals presented to athletes at the Olympic Games, this OMEGA Seamaster Olympic Official Timekeeper is finished with 18ct gold Sedna rings on the case back, featuring all known host cities and dates from OMEGA\'s Olympic Games journey. At A Glance  Fastened with a brown leather strap 39.5mm 18ct Sedna gold case with a polished bezel and 60m water resistance Scratch-resistant sapphire crystal White enamel dial with baton hour markers Powered by the OMEGA Co-Axial Calibre 8807 Master Chronometer self-winding automatic movement Minimum power reserve of 55 hours