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. Day, date, month, day/night indication in apertures.
Dial
Dial: blue sunburst, gold applied hour markers and numerals.
Case
Platinum. Sapphire-crystal case back. Water-resistant to 30m. Case diameter: 42 mm. Height: 14.03 mm.
Bracelet / Strap
Alligator strap with square scales, hand-stitched, matte navy blue. 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. Height: 7.68 mm. 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
Decorations

Sunburst: a brush with metal bristles is used with the abrasive paste to create rays spreading from the center to the edges of the dial. This requires an infinitely steady hand. When the completed dial pivots on its axis, it will reveal a glorious sunburst effect

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