Audemars Piguet Royal Oak Ref 4100BA.

34mm solid 18ct yellow gold case. Grey "Small Tapisserie” dial. Fitted with a solid 18ct yellow gold Royal Oak bracelet. AP automatic movement caliber 2123 (LeCoultre base caliber 900) with a power reserve of up to 44-48 hours.

This timepiece is in very good, unpolished condition, AP receipt for screws replacement from 2022. Circa 1980.

Ref 18139