The Royal Oak Offshore 26159OR.OO.A801CR.01 is a special edition of the limited edition 26158OR.OO.A801CR.01, featuring the Govenor's Seal on the caseback. They were mostly / exclusively sold at charity auctions.
Sorry, this Watch is no longer part of the brands current collection.
Details here are shown for historical interest only.
Chronograph movement based on Caliber 3120 with Dubois-Depraz chronograph module.