CHF 32'500 .-

The present Audemars Piguet Cobra “Jumbo” reference 5403BC, dating to 1975, is a superb and highly collectible early example of this distinctive integrated-bracelet dress watch, preserved in excellent overall condition. Bearing a very early B5XX serial, this piece stands among the earliest productions of the reference. Executed in white gold and fitted with the celebrated calibre 2121, the watch has just been fully serviced by our watchmaker and is running perfectly at the time of cataloguing. The calibre 2121—renowned for its thinness, refinement, and lineage shared with the Royal Oak “Jumbo”—underscores the technical pedigree of the model. The watch is distinguished by its dark blue dial set with diamond hour markers, preserved in outstanding condition. The depth of the blue contrasts beautifully with the white-gold case and bracelet, while the diamond markers add a discreet yet luxurious accent typical of high-end Audemars Piguet creations of the period. The integrated white-gold bracelet is generously sized, measuring approximately 19.5 cm in length, and remains in excellent condition. Importantly, the caseback retains deep and clearly defined hallmarks, a strong indicator of careful preservation. The watch is accompanied by an Extract from the Archives, confirming production in 1975 and stating that it was originally sold on the Japanese market, adding desirable provenance. Elegant, early, and mechanically outstanding, this Cobra “Jumbo” 5403BC represents a rare opportunity to acquire a top-condition example of one of Audemars Piguet’s most distinctive 1970s designs, combining refined aesthetics, exceptional movement quality, and compelling historical documentation.

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