====== Patek Philippe Chronograph Perpetual Calendar 5270 ======

{{wst>image_cr|Patek Philippe|Chronograph Perpetual Calendar 5270J-001}}
{{wst>image_cr|Patek Philippe|Chronograph Perpetual Calendar 5270P-014}}
{{wst>image_cr|Patek Philippe|Chronograph Perpetual Calendar 5270-1R-001}}
{{wst>image_cr|Patek Philippe|Chronograph Perpetual Calendar 5271P-001}}

The **Chronograph Perpetual Calendar  Ref. 5270** is a [[chronograph]] watch by [[Patek Philippe]].

The [[chronograph]] function is combined with a [[perpetual calendar]].

The CH 29-535 PS [[manufacture]] caliber is distinguished by its architecture protected by six patented innovations, including optimized toothing profile, precision adjustment of engagement depth and self-regulating zero-resetting hammers.

This model is available with a yellow or rose gold case or a platinum case. Also a special luxury version decorated with [[baguette]] [[diamonds]] is available: the Ref. **5271P**.

<WRAP ud ud_mod>
**Reference:**
  * 5270J-001 [[yellow gold]]
  * 5270P-014 [[platinum]]
  * 5170/1R-001 [[rose gold]], gold bracelet
  * 5271P-001 [[platinum]], baguette diamonds

**Movement: **
  * [[Manual winding]] [[manufacture movement]] [[PP CH 29-535|CH 29‑535 PS Q]], 28,800 A/h
  * [[Chronograph]] with [[column wheel]] mechanism
  * [[Gyromax]]® [[balance]]
  * [[Breguet hairspring]]
  * 33 [[jewels]]
  * 456 parts
  * [[Power reserve]] min. 55 hours, max. 65 hours
  * [[Patek Philippe Seal]]

**Case:**
  * 18ct [[yellow gold]] / [[rose gold]] / [[platinum]]
  * ∅ 41 mm, H 12.4 mm
  * [[Sapphire crystal]], caseback with sapphire crystal
  * //5271P:// Bezel and lugs set with 58 [[baguette]] [[diamonds]] (~3.63 ct); clasp set with 22 baguette diamonds (~0.97 ct)
  * [[Waterproof]] to 3 bar

**Dial:**
  * Silvery opaline / Laquered green, black-gradient rim, gold applied hour markers / Ebony black sunburst with gold applied hour markers
  * [[Tachymeter]] scale

**Functions:**
  * Hours, minutes, [[small seconds]]
  * Central chronograph seconds
  * [[Instantaneous]] 30-minute counter
  * [[Perpetual calendar]] with [[day/night indication]], [[moon phase]]

**Bracelet: **
  * Alligator leather with square scales, hand-stitched, matte chocolate brown / shiny black
  * or: Gold “Goutte” bracelet
  * [[Folding clasp]]
</WRAP>


{{tag>Watch_models Chronographs Watches_with_moon_phase Watches_with_perpetual_calendar Patek_Philippe_models Patek_Philippe_references}}