====== Patek Philippe Chronograph 5172 ======

{{wst>image_cr|Patek Philippe|Chronograph 5172G-001}}
{{wst>image_cr|Patek Philippe|Chronograph 5172G-010}}

The **Chronograph Ref. 5172** is a [[chronograph]] watch by [[Patek Philippe]].

The CH 29-535 PS chronograph 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.

<WRAP ud ud_mod>
**Reference:**
  * 5172G-001 [[White gold]], dark blue dial
  * 5172G-010 [[White gold]], salmon dial

**Movement: **
  * [[Manual winding]] [[manufacture movement]] [[PP CH 29-535|CH 29‑535 PS]], 28,800 A/h
  * [[Chronograph]] with [[column wheel]] mechanism
  * [[Gyromax]]® [[balance]]
  * [[Breguet hairspring]]
  * 33 [[jewels]]
  * 270 parts
  * [[Power reserve]] (with the chronograph disengaged) 65 h
  * [[Patek Philippe Seal]]

**Case:**
  * 18ct [[white gold]]
  * ∅ 41 mm, H 11.45 mm
  * [[Sapphire crystal]], caseback with sapphire crystal
  * [[Waterproof]] to 3 bar

**Dial:**
  * Blue varnished / Rose-gilt opaline
  * Applied Arabic white gold / charcoal gray gold numerals with luminescent coating
  * [[Tachymeter]] scale

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

**Bracelet: **
  * Calfskin, hand-stitched, navy blue / shiny chocolate brown
  * [[Folding clasp]]
</WRAP>


{{tag>Watch_models Chronographs Patek_Philippe_models Patek_Philippe_references}}