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A perpetual calendar tourbillon from IWC
New Models

A perpetual calendar tourbillon from IWC

Monday, 08 January 2018
By The FHH Journal editors
The FHH Journal editors

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1 min read

IWC Schaffhausen is turning 150 this year. To celebrate this milestone, the company is set to unveil a special Jubilee collection at the Salon International de la Haute Horlogerie in Geneva comprising a total of 27 limited-edition models from the Portugieser, Portofino, Pilot’s Watches and Da Vinci families.

With the Portugieser Perpetual Calendar Tourbillon Edition “150 Years” (Ref. IW504501), IWC combines a perpetual calendar with a tourbillon on the dial for the first time. This spectacular watch has an 18-carat gold case, a white dial with a lacquered finish, and blued hands. It is available in a limited edition of 50 watches. The watch is driven by the newly developed IWC-manufactured 51950 calibre. This is an extension of the basic 51900 calibre, with the addition of a perpetual calendar. Made of 82 individual components and weighing just 0.635 grams, the tourbillon is visible at “12 o’clock” because the watch designers opened up the calendar advance ring and integrated the moon phase in the month display disc at “6 o’clock”. With its solid gold rotor, the automatic winding system generates a power reserve of 7 days.

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