Audemars 38690: Piguet Royal Oak Offshore Safari, 24670ST. 01, Size 42mm Watch. Royal Oak Offshore Safari. Audemars Piguet Royal Oak Offshore Chronograph Safari, automatic, size 42mm. Audemars Piguet reference 24670ST. 01 with a stainless steel case and bezel, silver cream. Arabic dial with brown sub-dials and markers, date display, Rubber B black rubber strap, custom tang buckle, sapphire crystal. Model: Royal Oak Offshore Safari.