Vacheron Constantin - The world’s thinnest mechanical movements

The world’s thinnest mechanical movements are developed in Vacheron Constantin’s historical L’Ile premises.

Within this impressive legacy, one particular hand-wound movement continues to attract the attention of specialists and collectors. Work on its development began in 1952 in L’Ile (the building on the Rhone River ‘island’ that has housed Vacheron Constantin’s historical premises since 1875) and it was presented for the brand bicentenary celebrations in 1955 under the name Calibre 1003 considered as the most beautiful at this time.

Its 9-lignes or 21.05 mm diameter and 1.64 mm thickness have made it the world’s smallest mechanical manual-winding movement on the market. By way of comparison, this micromechanical masterpiece composed of 120 parts is about the size of a small Swiss 20-centime coin.

This now legendary calibre (of which the excellence was to be confirmed by the subsequent orders placed by other great names in fine watchmaking) was used to equip three round watches that set a new record as the world’s thinnest watches measuring just 4.54 mm thick. These three timepieces have forever imprinted on people’s minds the image of the archetypal Vacheron Constantin watch: round, classic, ultra-thin and extremely reliable.

In 2010, Vacheron Constantin has chosen to pay tribute to this legendary calibre by housing it within a reinterpretation of one of those three watches: the “Historique Ultra-fine 1955”, currently the world’s thinnest hand-wound watch measuring just 4.10 mm thick to date.

The development of Calibre 1120 began in 1966 and production began at the end of 1967. It too attracted the notice of specialists and collectors and was ordered by other great names in fine watchmaking. In 2010, Vacheron Constantin has also chosen to pay tribute to this equally legendary calibre by housing it within a reinterpretation of the vintage ultra-thin watches: the model now called “Historique Ultra-fine 1968”.

These two timepieces will find their natural place within the “Historiques” collection, specifically created to bring back to life the various designs and movements that have shaped the finest hours of Vacheron Constantin.

A collection composed of watches intended for watchmaking collectors, connoisseurs and devotees, for those with a taste for discreet and elegant models, as well as purists. It features models such as the Chronomètre Royal 1907 presented in 2007 to mark the 100th anniversary of the original, and the amazingly daring Historique American 1921 model reinterpreted in 2008 and which was named “Watch of the Year” in October 2009 in Geneva.