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In the 1950s and 1960s several manufacturers supplied chronograph
wristwatches to the French military forces under the designation "Type 20."
The IWC Mark XII was produced from 1993 through 1999. During that period
IWC made several variants in limited editions.
The Cartier Tortue Single-Button Chronograph is a modern rendition of
a watch made by Cartier in the 1920s and 1930s.
The B-Uhr were large observers watches made for the Luftwaffe in WWII.
The five manufacturers were A. Lange & Söhne, IWC, Laco, Stowa, and Wempe.
The key components of the Ulysse Nardin "dual direct" escapement used in the Freak
are the paired impulse wheels. These parts are are made from silicon using techniques
borrowed from the manufacture of integrated circuits.
The Dubey & Schaldenbrand Isadora is a limited-edition watch
based on a case style from the 1920s and using movements from the 1940s.
The Audemars Piguet Star Wheel uses a very unconventional method of time indication.
Since the early 1990s, Audemars Piguet has made several different Star Wheel models.
The Paul Gerber Retrograd is a elegant wristwatch with a fun complication created
by a master.
Collected information on multi-escapement timepieces, including Philippe Dufour's
Duality, with commentary by Ron DeCorte.
A compendium of information on the basic Swiss and German automatic-winding watch
movements in current production.
The Gaïa Prize was initiated in 1993 by the curator and directors of the Musée
International d'Horlogerie in La Chaux-de-Fonds.
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