====== PP CH 27-70 ======

{{wst>image_cr|PP|CH 27-70}}

Calibre **CH 27-70** is a [[manual winding]] [[chronograph]] movement by [[Patek Philippe]].

The CH 27-70 is based on the [[Lemania 2310]]. It was the last not fully in-house produced movement by Patek.

It was used in the [[Patek Philippe Chronograph 5070|Chronograph 5070]] model.

It was also base for a [[perpetual calendar]] complication. Later also a [[rattrapante]] function was added.

===== Variants =====
^Calibre      ^Dimensions (mm) ^Jewels ^Parts ^Usage ^Features ^
|[[PP CH 27-70|CH 27-70]] |Ø 27.5, H ?|24| |[[Patek Philippe Chronograph 5070|Chronograph 5070]]| |
|[[PP CH 27-70|CH 27-70 Q]] |Ø 30, H ?|24| |[[Patek Philippe Perpetual Calendar Chronograph 3970|Perpetual Calendar Chronograph 3970]], [[Patek Philippe Perpetual Calendar Chronograph 3990|Perpetual Calendar Chronograph 3990]], [[Patek Philippe Perpetual Calendar Chronograph 5970|Perpetual Calendar Chronograph 5970]]|[[Perpetual Calendar]], [[day/night indication]], ([[rattrapante]])|

<WRAP ud ud_mov>
**Description:**
  * [[Manual winding]] [[chronograph]] movement, basis [[Lemania 2310]]
  * [[Column wheel]] mechanism
  * [[Geneva Seal]]

**Functions:**
  * Hours, minutes, [[small seconds]]
  * Central Chronograph seconds, 30-minute counter

**Data:**
  * 18,000 A/h
  * Ø 27.5 mm, H ? mm
  * [[Power reserve]] 60 hours

**Production period:**
  * [[1986]]-
</WRAP>

{{tag>Movements Manual_winding_movements Chronograph_movements Patek_Philippe_calibres}}