Movements Dubois-Dépraz







The TYPE 21 and TYPE 23 watches are based on Dubois) movement. These high-quality design and precision calibers are assembled at Dubois Depraz.


This company with over a century f experience specializing in mechanical movements for grand complications, work for the most famous watchmaker brand.


The Flyback, the GMT, the power  reserve mechanisms rare since it is complex to develop, and this family business possesses exceptional expertise.


The technical characteristics of our movment allow them to be certified as a «chronometer» by the “National Observatory of Time Measurement” in Besancon, an independent academic verificationagency. The «Time and Frequency» Scientific Research Department continually ensures chronometri testing on mechanical watches


The uniqueness of this test, based on ISO 3159 standard, resides in the fact that it applies only to a fully assembled watch and not to uncased movements.


The Besançon Observatory is also one of the centres of expertise for the International Chronometry Competition, which gives an award every two years to watches selected from among the most accurate in the world.


This certification requires all watchmakers to pay special attention to the design-production, assemblies and adjustments in order to ensure the precision and irreproachable quality of these chronometer watches.

















CERTIFIED CHRONOMETER





The technical characteristics of our TYPE 21 and TYPE 23 allow them to be certified as a «chronometer» by the “National Observatory of Time Measurement” in Besancon, an independent academic verificationagency.
The «Time and Frequency» Scientific Research Department continually ensures chronometri testing on mechanical watches.



VIDEOS














SOURCES / LIENS


http://www.dubois-depraz.ch

http://www.fhs.ch/fr/news/news.php?id=917

Liens vers articles et vidéos :

http://www.fr.worldtempus.com/article/insider/dubois-depraz-les-chronographes-modulaires
 
http://www.fr.worldtempus.com/article/insider/histoire-dubois-depraz-sa-horlogers-de-pere-en-fils
 
http://www.ablogtowatch.com/inside-dubois-depraz-empire-of-the-watch-movement-module