====== Lange L042 ======

{{wst>image_cr|Lange|L042.1}}
{{wst>image_cr|Lange|L042.1 ZB|L042.1, dial side}}

**Lange L042.1** is a caliber by [[A. Lange & Söhne]].

[[Hand-wound]] [[manufacture]] movement with a [[one-minute tourbillon]] that can be stopped by a patented, world's first [[hacking seconds]] mechanism, and [[big date]].

Used in the [[A. Lange & Söhne Cabaret Tourbillon|Cabaret Tourbillon]] model.

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**Description:**
  * [[Manufacture]] [[manual winding]] movement, [[form movement]]
  * [[Big date]], [[tourbillon]] with [[hacking seconds]]
  * [[Glucydur]] [[screw balance]], balance spring from in-house production with [[swan's neck fine regulation]]
  * Patented beat adjustment mechanism
  * Glashütter [[three-quarter plate]]
  * [[Plate]]s and [[bridge]]s in untreated [[nickel silver]]
  * [[Balance cock]], intermediary wheel cock and tourbillon cock engraved by hand

**Functions:**
  * Hours, minutes, [[small seconds]] at 8 h
  * [[Tourbillon]] with patented [[hacking seconds]]
  * [[Big date]] at 12 h
  * [[Power reserve indicator]] at 4 h

**Data:**
  * 22.3 x 32,6 mm, height: 6.4 mm
  * 47 [[jewels]], including 2 diamond capstones
  * 9 screwed gold [[chaton]]s
  * 21,600 A/h
  * 370 components
  * Power reserve 5 days (120 hours)

**Production period:**
  * From [[2008]]
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{{tag>Movements Manual_winding_movements Tourbillon_movements A._Lange_&_Söhne_calibres}}