Conceived in secrecy amidst the turmoil of the quartz crisis, the Quantième Perpétuel stands as Audemars Piguet's quintessential complicated dress watch. Powered by the era's thinnest automatic perpetual calendar movement, it represents one of the 1970s' most significant horological innovations. In the realm of timepieces, true classics arise when function seamlessly intertwine with style. The 25548BA exemplifies this ethos flawlessly, striking a harmonious balance while imparting a wealth of information. Its design remains sleek and elegant, yet highly functional. Today, this model remains a top choice for anyone seeking a timeless and classic yet complicated dress watch. 

This example has remained in fantastic vintage condition with a mint dial and unpolished case, retaining deep hallmarks. This piece includes its correct 18k AP signed pin buckle and comes on a new two-piece gator strap in blue, elevating its classic look. For anyone looking for a top grade example of a perpetual calendar we believe this piece is a great option and fit for collectors of any level. 

Dial: Is mint with no blemishes under magnification. Hands: Are matching. Case: Appears unpolished with light signs of use. Thick and even lugs and the hallmarks and engravings remain deep and clearly visible. Correct unsigned crown. Bracelet: 18k Audemars Piguet buckle and two piece gator strap in blue. Crystal: Clear. Accessories: An Archive Extract can be ordered down the road to add to its provenance. All functions of the watch operate flawlessly. The movement is running well on our timegrapher and comes with our 1-year mechanical warranty.

Year/era: 1980s Reference: 25548BA Serial: C21XX Dimensions: 36mm wide, 37.5mm lug to lug, 20mm lug width. Movement: Automatic AP caliber 2120, based on JLC 920, with 21kt gold rotor.