By Patek Philippe

Patek Philippe Annual Calendar Chronograph Rose Gold 5905R-001

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Description

A masterclass in refined complexity, the Patek Philippe 5905R-001 marries haute horlogerie with contemporary elegance.Its 42mm rose gold case frames a rich brown sunburst dial that subtly darkens toward the edges, creating a warm, sophisticated gradient. The dial layout is clean yet dynamic, featuring three apertures for day, date, and month, and a 60-minute chronograph counter at 6 o’clock.

Inside, the self-winding Caliber CH 28-520 QA 24H powers both the flyback chronograph and the annual calendar—requiring adjustment only once per year. A sapphire caseback reveals the movement’s intricate architecture, including its 21K gold rotor and column wheel mechanism.

Paired with a glossy black alligator strap and secured by a rose gold prong buckle, this timepiece is a bold yet timeless expression of Patek Philippe’s technical mastery and design finesse.

General Details

Brand: Patek Philippe
Model: Annual Calendar Chronograph
Reference Number: 5905R-001
Year: 2019
Gender: Unisex, Male, Female, and Other
Features: Annual calendar, Date display, Display back, Genevian seal, Luminous hands, Luminous indices, Month display, Push/pull crown, Small seconds, Chronograph, and Weekday display


Movement

Movement: Mechanical (Automatic)
Caliber: CH28-520 QA 24H
Power Reserve: 45 Hours
Number of Jewels: 37


Case

Care Diameter: 42 mm
Case Material: Rose gold
Bezel Material: Rose gold
Finish: Polished
Water Resistance: 30M (3 ATM)
Crystal: Sapphire crystal
Dial Color: Brown
Watch Indices: Stick/Line


Bracelet/Strap

Band Material: Alligator leather
Band Color: Brown
Clasp Type: Buckle
Clasp Material: Rose gold

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