Audemars Piguet Royal Oak Offshore 28mm x 24mm Grey Rubber Watch Short. Audemars Piguet Royal Oak Offshore 28mm x 24mm Grey Rubber Watch Band Strap. Long Side Is: 4.00 Inches. Short Side Is: 2.50 Inches. PLEASE NOTE: We are not affiliated with Audemars Piguet or any of its authorized dealers. ALL ITEMS LISTED FOR SALE ARE GUARANTEED TO BE 100% AUTHENTIC.