====== Lange L121 ======
{{wst>image_cr|Lange|L121.1}}

The **L121.1** is a movement by [[A. Lange & Söhne]].

[[Hand-winding]] [[manufacture movement]] for the updated [[A. Lange & Söhne Lange 1]]
and from [[2018]] also for the updated [[A. Lange & Söhne Little Lange 1|Little Lange 1]].

Variants:
  * **Lange L121.2**, with [[moon-phase display]] for the [[A. Lange & Söhne Little Lange 1 Moonphase]]
  * **Lange L121.3**, with [[day/night]] indication for the [[A. Lange & Söhne Lange 1 Moonphase]]

<WRAP ud ud_mov>
**Description:**
  * [[Hand-winding]] movement
  * Shock-resistant [[cam-poised balance]]
  * Precision beat-adjustment system with lateral setscrew and whiplash spring
  * [[Three-quarter plate]] in untreated [[Nickel silver]]
  * Balance cock engraved by hand
  * [[Double barrel]]

**Functions:**
  * Hours, minutes
  * [[Small seconds]] with [[hacking seconds]]
  * [[Big date]]
  * [[Power reserve indicator]]

**Data:**
  * Ø 30.6 mm, height 5.7 mm
  * 43 [[jewels]], including 8 in screwed gold [[chaton]]s
  * 21,600 A/h
  * Number of components 368
  * Power reserve 72 h

**Production period:**
  * From [[2015]]
</WRAP>

{{tag>Movements Manual_winding_movements A._Lange_&_Söhne_calibres}}