====== Lange L101 ======

**Calibre L101** is a [[hand-winding]] [[manufacture movement]] with [[rattrapante chronograph]] function by [[A. Lange & Söhne]].

===== Lange L101.1 =====
{{wst>image_cr|Lange|L101.1}}

**Calibre L101.1** is a [[hand-winding]] [[rattrapante]] [[chronograph]] watch movement with [[perpetual calendar]].

It was introduced in [[2013]] and is used in the [[A. Lange & Söhne 1815 Rattrapante Perpetual Calendar]]. 

It is a [[rattrapante chronograph]] movement with two [[column wheel]]s. Additionally, it has subdial seconds and a [[perpetual calendar]]. The movement features 43 [[jewel]]s and 4 [[chatons]]. The Lange in-house balance spring adjusts using screws and operates at 21,600 A/h.

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**Description:**
  * [[Manual winding]] [[rattrapante]] [[chronograph]] movement with [[perpetual calendar]]
  * [[Three-quarter plate]] in untreated nickel silver, with Glashütte ribbing
  * Glucydur [[screw balance]] from in-house production
  * NIVAROX-1 [[flat hairspring]] from in-house production
  * [[Kif]] shock protection
  * [[Balance cock]] engraved by hand
  * Edges in movement [[chamfered]] and polished

**Functions:**
  * Center hour and minute hands
  * Subdial seconds
  * Subdial [[power reserve indicator]]
  * Subdial [[perpetual calendar]]
  * Subdial [[moon phase indicator]]
  * Chronograph with [[split seconds]] and 30-minute counter

**Data:**
  * ∅ 32.6 mm, H 9.1 mm
  * 43 [[jewels]]
  * 21,600 A/h
  * 631 components
  * Power reserve 42 hours 

**Production period:**
  * [[2013]]-present
</WRAP>

===== Lange L101.2 =====
{{wst>image_cr|Lange|L101.2}}

In contrast to the caliber [[#L101.1]] above, this movement is limited to the essential functions of a rattrapante chronograph, i.e. it does not display date and power reserve.

This movement is used in the models [[A. Lange & Söhne 1815 Rattrapante|1815 Rattrapante]] and [[A. Lange & Söhne 1815 Rattrapante Honeygold „Homage to F. A. Lange“|1815 Rattrapante Honeygold „Homage to F. A. Lange“]].

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**Description:**
  * Precision adjustment: [[cam-poised balance]]
  * The movement decoration is reminiscent of the historical pocket watches in 1A quality:
      * Raised nickel silver frame parts are finished with grained surfaces.
      * Moving parts of the rattrapante chronograph such as levers, springs and detents are decorated with a line cut on the top, while the chamfers are polished.
      * The hand engravings on the cocks and bridges as well as the engraved inscription are black rhodium plated.
   
**Functions:**
  * Hours, minutes
  * [[Small seconds]] at 6 h
  * Central [[chronograph]] seconds and [[rattrapante]] seconds
  * 30 [[rattrapante]] minutes at 12 h

**Data:**
  * ∅ 32.6 mm; H 7.4 mm
  * 21.600 A/h
  * 36 [[jewels]], including 4 in screwed gold [[chaton]]s
  * 365 components
  * Power reserve 58 hours
</WRAP>


{{tag>Movements Manual_winding_movements Chronograph_movements Rattrapante_chronograph_movements Perpetual_calendar_movements A._Lange_&_Söhne_calibres}}