====== Panerai OP XVIII ======
{{wst>image_cr|Panerai|OP XVIII}}

Movement by [[Panerai]]

[[Self-winding]] [[chronograph]] movement on [[Valjoux]] basis. With [[rattrapante]] function. Produced by [[La Joux-Perret]] as their Caliber 8601 RAC. It is unusual in that it has a [[column wheel]] rather than the cam system typically seen on [[Valjoux 7750]]-based movements.

The **Panerai OP XVIII** is for instance used with the following models 

  * [[Panerai Radiomir Chrono Rattrapante|Radiomir Chrono Rattrapante]]
  * [[Panerai Luminor 1950 Rattrapante|Luminor 1950 Rattrapante]]
  * [[Panerai Luminor 1950 Regatta Rattrapante 44mm DLC|Luminor 1950 Regatta Rattrapante 44mm DLC]]


<WRAP ud ud_mov>

**Description:**
  * [[Self-winding]] movement with [[central rotor]]
  * [[Chronograph]] with double [[column-wheel]]
  * [[Glucydur]] [[balance wheel]]
  * [[Incabloc]] [[shock protection]]
  * [[Côtes de Genève]] on [[bridge]]s and rotor
  * [[Blued]] screws
  * [[COSC]]-certified [[chronometer]]

**Functions:**
  * Hours, minutes
  * [[Small seconds]]
  * Chrono function
  * [[Rattrapante]] function

**Data:**
  * 13¼ [[ligne]]s
  * Ø ? mm, H ? mm
  * 31 [[jewels]]
  * 28,800 A/h
  * [[Power reserve]] 42 h

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

{{tag>Movements Automatic_movements Chronograph_movements Rattrapante_chronograph_movements Panerai_calibres Automatic_chronograph_movements}}