====== JLC 978 ======
The **JLC 978** is a [[tourbillon]] watch movement from [[Jaeger-LeCoultre]].

The 978 (and derivative **978B**) is an [[automatic]] movement made up of 302 pieces. It runs at 28,800 vph, has 33 jewels, and a power reserve of 48 hours.

Jaeger-LeCoultre currently uses this calibre in 11 watches, making it their most-common by number of watches but the high cost and component count make it one of their least-produced calibres. The 978 measures 7.05 mm high, while the 978B is 7.10 mm high as it adds a [[dual timezone]] function.

===== Applications =====
The 978 is used in the following watches 

  * [[Jaeger-LeCoultre Master Tourbillon]]
  * [[Jaeger-LeCoultre Master Grand Tourbillon]]
  * [[Jaeger-LeCoultre Master Date Tourbillon 39]]
  * [[Jaeger-LeCoultre Master Grand Tourbillon]]
  * [[Jaeger-LeCoultre Master Grand Tourbillon set]]
  * [[Jaeger-LeCoultre Master Grande Tradition à Tourbillon 43]]
  * [[Jaeger-LeCoultre Master Compressor Extreme Tourbillon]]
  * [[Jaeger-LeCoultre Rendez-Vous Tourbillon]]
  * [[Jaeger-LeCoultre Rendez-Vous Tourbillon Enamel]]
  * [[Jaeger-LeCoultre Rendez-Vous Tourbillon Night & Day]]
  * [[Jaeger-LeCoultre Rendez-Vous Tourbillon Wild]]
  * [[Jaeger-LeCoultre Master Tourbillon Dualtime]] (JLC 978B)

<WRAP ud ud_mov>
**Description:**
  * [[Automatic]] movement with [[tourbillon]]
  * 302 components

**Functions:**
  * -

**Data:**
  * H 7.05 mm
  * 33 [[jewels]]
  * 28,800 A/h
  * Power reserve 48 Hours

**Production period:**
  * Current
</WRAP>

===== External Links =====
  *[[http://www.qpmagazine.com/media/38993/Setting_Standards_Jaeger_LeCoultre.pdf|Setting Standards]]

{{tag>Movements Automatic_movements Tourbillon_movements Grande_complication_movements 
 Jaeger-LeCoultre_calibres}}