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Cartier

Cartier Duoplan Coulissante

 

This Cartier baguette-shaped watch with a sliding ("coulissante") cover concealing the dial, is powered by a Jaeger-LeCoultre Duoplan caliber.












credit: @alexstevensvintage 


The Jaeger-LeCoultre Duoplan is a family of four calibres taking normal-sized watch parts, and stacking them in two layers (duo-plan), allowing the movement to be made much narrower.



The balance and escapement have their own layer, which is positioned over the top of the rest of the movement organised on another layer.





  • Cal. 101 – 6’’’ (14 x 4.8 x 3.4 mm). Produced from 1929 to present day
  • Cal. 104 – aka Cal. 7BF, 7’’’ (16 x 5.8 x 3.4 mm). Produced from 1926–1959
  • Cal. 403 – aka Cal. 9BF, 9’’’ (20 x 8.5 x 3.73 mm). Produced from 1926–1966
  • Cal. 409 – aka Cal. 11BF, 11’’’ (23 x 10.5 x 4 mm). Produced from 1929–1962

credit: The Watch Club London, Time and Watches & Revolution


Thanks for reading.

Best, Emmanuel

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