This is a pre-owned Audemars Piguet Royal Oak Offshore navy chronograph gents 26170ST.OO.D305CR.01 watch. 42mm case size in stainless steel, navy themes dial on a blue leather bracelet, powered by a automatic movement. This Audemars Piguet is in excellent pre-owned condition. Circa 2010. The case bears the serial number H22***Xupes 12 month warranty Our Xupes reference is COM628 should you need to quote this.