Introduction

5905P
- Complications
Self-winding

The chronograph has always featured prominently in the vast range of complications in which Patek Philippe has demonstrated its virtuosity. For over 175 years, the manufacture has created a wealth of different models, many of which count among the timepieces most admired and sought after by connoisseurs and collectors.

Watch
Self-winding mechanical movement. Caliber CH 28‑520 QA 24H. Flyback chronograph. Central chronograph hand. 60-minute counter. Annual Calendar. Day, date, month and day/night indication displayed in apertures.
Dial
Dial: ebony gray-black sunburst, gold applied hour markers and numerals.
Case
Platinum. Sapphire crystal case back. Water-resistant to 30 m. Diameter: 42 mm. Height: 14.03 mm.
Strap
Alligator strap with square scales, hand-stitched, matte matte black. Prong buckle.
Price :

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Caliber

CH 28-520 QA 24H
Self-winding

Patek Philippe Caliber CH 28-520 QA 24H - Front
Front Back

CH 28-520 QA 24H
Self-winding

Flyback chronograph. Central chronograph hand. 60-minute counter. Annual Calendar. Day, date, month and day/night indication displayed in apertures. Diameter: 33 mm. Thickness: 7.68 mm. Number of parts: 402. Jewels: 37. Power reserve: min. 45 hours - max. 55 hours. Winding rotor: 21K gold central rotor. Balance: Gyromax®. Frequency: 28,800 semi-oscillations/hour (4 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.

Savoir faire

Attention to details
What is hand-finishing?

A wide array of fine decorations and subtle enhancements, which enrich the functionality and aesthetics of our pieces, as well as ensuring beauty and precision of a Patek Philippe watch for years to come.

Press release

Patek Philippe Annual Calendar Chronograph Ref. 5905P

Two functions are in the focus among Patek Philippe's best-selling complicated watches. The Annual Calendar, which needs to be corrected only once a year, and the chronograph that emphasizes the role of the timepiece as a precision measuring instrument. For this reason, the Patek Philippe Annual Calendar Chronographs – which unite both functions – are among the models most coveted by many watch enthusiasts. The Ref. 5905P in platinum presented by Patek Philippe is a new version that will delight aficionados of complicated watches day after day.

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