Royal Oak Selfwinding Chronograph 26240OR.OO.D404CR.01 41mm

Description of the Watch

The Audemars Piguet Royal Oak Selfwinding Chronograph “50th Anniversary” Ref. 26240OR.OO.D404CR.01 is an exquisite celebration of half a century since the debut of the Royal Oak line. Crafted in 18-carat rose gold, it showcases a vibrant khaki-green “Grande Tapisserie” dial, an elegant alligator leather strap, and a commemorative “50‑years” oscillating weight all encased in a 41 mm frame .

Overview

Released in 2022 to mark the 50th anniversary of the Royal Oak, this model represents a modern evolution of the iconic design. It employs AP’s refined chronograph architecture within the legendary octagonal bezel, marrying vintage appeal with contemporary craftsmanship. The calibrated Caliber 4401 flyback chronograph movement completes the package .

Design and Craftsmanship

The 41 mm rose-gold case combines satin-brushed and polished finishes, perfectly framing the rich khaki dial and matching green alligator strap . The “Grande Tapisserie” guilloché dial creates depth, while rose-gold applied baton markers and hands imbued with luminescence ensure clarity and elegance. A sapphire caseback reveals the commemorative winding rotor, underscoring the piece’s special edition status .

Movement and Performance

At its core beats the in-house Caliber 4401, a self-winding flyback chronograph movement featuring a column wheel and vertical clutch. Operating at 28,800 vph with a 70-hour power reserve, it delivers precision timing and smooth operation.

Features and Complications

• Flyback chronograph function with central chronograph seconds, 30-minute, and 12-hour counters

• Date display at 4:30 o’clock

• Screw-down crown and pushers; 50 m water resistance

• Anti-glare sapphire crystal front and back for durability

Specifications

Case

• Material: 18-carat rose gold

• Diameter: 41 mm

• Thickness: Approximately 12 mm

• Crystal: Glare-proofed sapphire front and back

Dial

• Color: Khaki-green “Grande Tapisserie”

• Markers: Applied rose-gold baton indices with luminescent fill

• Hands: Royal Oak baton hands with Super-LumiNova

• Distinctive Elements: Chronograph counters, date at 4:30, commemorative winding weight visible via dial

Bracelet/Strap

• Material: Khaki-green alligator leather strap

• Clasp: Rose-gold AP folding clasp for seamless integration

Movement

• Caliber: AP 4401 (automatic flyback chronograph)

• Frequency: 28,800 vph (4 Hz)

• Power Reserve: 70 hours

• Jewels: Column wheel chronograph system