====== JLC 899 ======
**Calibre 899** is an [[ultra-thin]] [[automatic]] watch movement from [[Jaeger-LeCoultre]].

Based on [[JLC 889|Calibre 889]], Calibre 899 incorporates many changes. A major difference is the winding system The rotor rests on ceramic bearings like the contemporary [[JLC 975|"Autotractor" 975]], and it is unidirectional like that movement, though 899 does not have all of it's other features. Adjustment is via four screws on the rim of the balance, since the hairspring is laser welded in place and there is no bridge like the Autotractor. The mainspring barrel was also enlarged and re-profiled gear train teeth reduce friction.

The 899 is made up of 219 components. It runs at 28,800 A/h, has 32 jewels, and a power reserve of 43 hours. Jaeger-LeCoultre currently uses this calibre in the [[Jaeger-LeCoultre Master Control]] and [[Jaeger-LeCoultre Master Compressor Diving Automatic Navy SEALs]].

Derivatives of Calibre 899 include [[JLC 896|Calibre 896]] and [[JLC 898|Calibre 898]].


<WRAP ud ud_mov>

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

**Description:**
  * [[Automatic]] movement
  * 219 components

**Functions:**
  * Hour, minute, seconds
  * [[Quickset]] date

**Data:**
  * Height 3.3 mm
  * 32 [[jewels]]
  * 28800 A/h
  * Power reserve 43 Hours

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

{{tag>Movements Jaeger-LeCoultre_calibres Automatic_movements Ultra-thin_movements}}