On offer is a rare Omega Speedmaster Professional Chronometer in 18k YG gold case with see thru back case commemorating 50weeks of Cal321 (27 CHRONOMETER C12) in 1992 This a limited edition model of 250pcs only 863 movement Yellow Gold 18k case Croc strap with Omega 18k DP Buckle Condition excellent Complete with box and warranty Selling - USD17,500