Audemars Piguet Royal Oak Offshore 25644

Audemars Piguet Royal Oak Offshore Chronograph Reference 25644 The Reference 25644 represents the Royal Oak Offshore Chronograph in 18k yellow gold configuration. Produced from 1997 to 2005, this reference features a black dial within the Chronograph series lineup. The model utilizes the automatic Caliber 2226/2840 movement with chronograph functionality. The 42mm case is constructed in 18k yellow gold with a fixed octagonal bezel and sapphire crystal. Water resistance is rated to 100 meters. The automatic movement provides a 50-hour power reserve. The watch is fitted with a leather strap. The black dial provides contrast against the gold case construction. This reference appeals to collectors seeking a precious metal Royal Oak Offshore with chronograph complications. The yellow gold case material and leather strap combination distinguishes it from steel or other material variants within the series. The eight-year production span from 1997 to 2005 represents the reference's availability window in the market.