One of the highlights in Christie’s upcoming Geneva auctions taking place on May 11, 2026, is the Audemars Piguet “Coussin Tortue” single-button chronograph wristwatch, serial number 41’849. It is an exceedingly rare watch, being one of a batch of three examples that were the first ever chronograph wristwatches made by Audemars Piguet (AP). Moreover, the […]
