====== JLC 101 ======
The **JLC 101** (also called "Calibre 2 ligne") is an extremely compact watch movement from [[Jaeger-LeCoultre]].

Introduced in [[1929]], the JLC 101 is still in use today and retains its title as the world's smallest mechanical watch movement. It is legendary for its compact dimensions Just 14 mm long, 4.8 mm wide, and 3.4 mm high, and weighs just 1 gram. Jaeger-LeCoultre is limited to making just 50 Calibre 101 movements each year due to the custom parts and special skills required.

The JLC 101 is produced in two versions 

  * **JLC 101/4**
  * **JLC 101/4SQ**

It is a [[hand-wound]] movement made up of 98 pieces designed for extremely compact applications. It runs at 21600 vph, has 19 jewels, and a power reserve of 33 hours.

===== Applications =====
Jaeger-LeCoultre currently uses this calibre in 3 watches.

  * [[Jaeger-LeCoultre Joaillerie 101 Résille]]
  * [[Jaeger-LeCoultre Joaillerie 101 Feuille]]
  * [[Jaeger-LeCoultre Grande Reverso 101 Art Déco]] (JLC 101/4SQ)

===== External links =====
  * [[http://www.ablogtowatch.com/reflecting-on-the-jaeger-lecoultre-calibre-101-movement-worlds-smallest/|Reflecting On The Jaeger-LeCoultre Calibre 101 Movement -- World's Smallest]]
  * [[http://www.luxist.com/2009/08/11/jaeger-lecoultre-calibre-101-smallest-mechanical-watch-movement/|Jaeger-LeCoultre Calibre 101 Smallest Mechanical Watch Movement In The World Turns 80]]


<WRAP ud ud_mov>

**Manufacturer:**
  * [[Jaeger-LeCoultre]]

**Description:**
  * [[Hand-winding]] movement
  * 98 components

**Functions:**
  * Hour/minute

**Data:**
  * L 14 mm, W 4.8 mm, H 3.4 mm
  * 19 [[jewels]]
  * 21600 A/h
  * Power reserve 33 Hours

**Production period:**
  * [[1929]]-present
</WRAP>

{{tag>Movements Manual_winding_movements Jaeger-LeCoultre_calibres}}