Patek Philippe Complications Flyback Chronograph, Annual Calendar 5905/1A-001
Movement
Self-winding
Size
42 mm

Overview

Steel case, 42 mm

The Patek Philippe Complications Flyback Chronograph, Annual Calendar, reference 5905/1A-001, pairs Caliber CH 28-520 QA 24H with a 42 mm steel case on a steel bracelet.

Key details

Case materialSteel
MovementCaliber CH 28-520 QA 24H, self-winding
CollectionComplications

Specifications

Technical specifications

Complications Flyback Chronograph, Annual Calendar · Technical datasheet
Reference5905/1A-001
CollectionComplications
CalibreCaliber CH 28-520 QA 24H
MovementSelf-winding
FunctionsFlyback chronograph, Central chronograph hand, 60-minute counter, Annual Calendar, Day, date, month and day/night indication in aperture
Case dimensions42 mm
Case thickness14.13 mm
Case materialSteel
Case backSapphire crystal case back
Water resistance30 m
DialSunburst olive green, white gold applied faceted baton-style hour markers
BraceletSteel
ClaspSteel fold-over clasp
Jewels37
Power reservemin. 45 hours – max. 55 hours
Frequency28,800 semi-oscillations/hour (4 Hz)

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Complications Flyback Chronograph, Annual Calendar · Ref. 5905/1A-001

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