1960s Audemars Piguet Rare Ribbed Design Wrist Watch in 18K White Gold

1960s Audemars Piguet 18k white gold square case rare ribbed design wrist watch. The dial and case are decorated with a ribbed design, which is rarely seen in Audemars Piguet's collections, and is an original and fascinating piece. The bezel and middle case, which appear to be one piece, are detachable, and the bezel, middle case, and back cover are engraved with a common unique number. The watch is equipped with Cal. K2001, which is beautifully decorated with four-position adjustment, coated geneve finish and chamfering.