This Vacheron Constantin ref. 31150 was introduced in the 1990s, this model draws inspiration from the Art-Deco tonneau-shaped wristwatches, a form first explored by Vacheron Constantin in 1915. The ref. 31150 is part of the “Les Essentielles” watch family and it continues this tradition, proposing a modern interpretation of the tonneau case with refined proportions and understated elegance. The 18-karat yellow gold case measures 32.1mm in width (excluding the original crown) and 41.6mm from lug to lug. The case is in an excellent condition, showing only light signs of wear. The caseback is secured with four screws and bears the correct serial numbers and reference. The sapphire crystal is in perfect condition. The original silvered guilloché dial has hand-applied Breguet numerals and yellow gold baton hands. The dial is in an excellent condition with no patina or discoloration.

Powering the watch is the Vacheron Constantin caliber 1132.2, a manual-winding movement based on the Frederic Piguet 8.10 ebauche. This ultra-thin movement measures 2.0mm in thickness and operates at 21,600 vibrations per hour. It has 20 jewels and a power reserve of approximately 48 hours. The caliber 1132.2 is adjusted in five positions and is known for its reliability and precision. The watch is fitted with its original crocodile leather strap, which is in very good condition, and an unbranded buckle. This Vacheron Constantin has been serviced in-house and is in good working order. It is delivered with a six-month guarantee and an originality certificate.

Collectors and enthusiasts interested in this model are encouraged to inquire further. Worldwide shipping is available.