318.104.22.168.06.001 Omega This watch has 44.25 mm Stainless steel case. 18K Sedna™ gold bezel with tachymeter scale in OMEGA Ceragold™. Grey dial, the hour and minute hands and arrowhead indexes are 18K Sedna™ gold with white Super-LumiNova. Grey leather strap. Automatic movement. Functions: chronograph, date, hours, minutes, seconds. Water resistance up to 50 m./167 ft. 322.214.171.124.06.001 Omega Stainless Steel & 18K Sedna™ Gold watch.