Vacheron Constantin 43031 (Pre-owned - Excellent) — USD 34,900 on eBay

The Vacheron Constantin reference 43031 is a perpetual calendar model, distinguished by its ultra-thin profile and classic aesthetic. This reference is part of the Traditionnelle collection, known for its adherence to traditional watchmaking principles and refined complications. It represents a significant offering for collectors seeking a sophisticated perpetual calendar with a focus on understated design and technical prowess within the brand's extensive catalog. This particular reference features an 18k white gold case, measuring 38.6 mm in diameter. It houses the automatic caliber 1326, which provides a power reserve of approximately 40 hours. The watch is fitted with a sapphire crystal, ensuring clarity and scratch resistance, and offers a water resistance of 30 meters, suitable for everyday wear. The silver dial complements the white gold case, maintaining a cohesive and legible presentation. The reference 43031 appeals to collectors who value traditional high horology and the intricate mechanics of a perpetual calendar complication. Its production period from 2003 to 2015 places it within a specific era of Vacheron Constantin's modern output, making it a notable piece for those interested in the brand's evolution of complicated timepieces. The combination of an ultra-thin movement and a perpetual calendar function underscores its technical merit and enduring appeal.