Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Openworked 41 150th Anniversary

Reference 26585XT.OO.1220XT.01

Audemars Piguet Royal Oak Perpetual Calendar Openworked 41 150th Anniversary

About this watch

The Royal Oak Perpetual Calendar Openworked ref. 26585XT.OO.1220XT.01 debuted in 2025, marking 150th anniversary of Audemars Piguet, and the end of of caliber AP 5135 - which is dressed-up for the occasion, The 41 mm case combines a bezel and caseback frame in BMG (Bulk Metallic Glass) with a titanium case middle and screw-locked crown.

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Specifications

Brand

Audemars Piguet

Family

Royal Oak

Model

Royal Oak Perpetual Calendar Openworked 41 150th Anniversary

Reference

26585XT.OO.1220XT.01

Movement

ap-5135

Movement Features

Hours, Minutes
Date, Day, Leap Year, Month, Week Indicator
Moonphase

Case

41mm

Dial Color

Skeleton

Crystal

Sapphire

Water Resistance

Current Listings

2022 Audemars Piguet Royal Oak Ref. 14790ST | Blue Dial

Audemars Piguet - 14790ST · $30,000

A 2022 Royal Oak Ref. 14790ST with a blue dial and excellent condition case, bezel, and bracelet.

Condition: Excellent
Case size: 36mm
Bracelet condition: Excellent
Bezel material: Stainless steel

Posted at

Aug 20, 2025, 9:00 PM

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Audemars Piguet Royal Oak Offshore Chronograph Jarno Trulli Carbon 42mm 26202AU

Audemars Piguet - 26202AU.OO.D002CA.01 26202AU · $28,350

The Audemars Piguet Royal Oak Offshore Chronograph Jarno Trulli is a limited edition of 500 pieces, featuring a forged carbon fiber case and Cermet bezel. It comes with a 50 hour reserve Calibre 3126/3840 movement.

Condition: excellent pre-owned condition with light wear
Case material: forged carbon fiber
Bezel material: Cermet
Movement: Calibre 3126/3840, 50 hour reserve

Posted at

Aug 20, 2025, 6:10 PM

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Audemars Piguet Royal Oak 15300ST Black Dial

Posted at

Aug 20, 2025, 9:58 AM

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Vintage Seiko Sports 150 – Alarm Chronograph – 😏 “Poor Man’s AP Royal Oak” 😏 – 7T34-7A10 – $245 Shipped

Posted at

Aug 19, 2025, 7:18 PM

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2021 Audemars Piguet Royal Oak Chronograph 43mm 26420SO Black Dial - $28,750

Posted at

Aug 19, 2025, 12:01 PM

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2022 Audemars Piguet Royal Oak Chronograph 43mm 26420SO Black Dial - $29,500

Posted at

Aug 19, 2025, 10:27 AM

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[US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold 26320OR Black Dial - Full Set

Audemars Piguet - 26320OR.OO.D002CR.01 · $45,750

This is a Royal Oak Offshore Chronograph in rose gold with a black dial, featuring an octagonal bezel and a 'Tapisserie' pattern.

Condition: Very Good
Case material: 18-carat gold
Bracelet material: rose gold
Serial number: J (2016)

Posted at

Aug 19, 2025, 5:36 AM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Half Brick Gray Rhodium Dial 26470or - Full Set

Audemars Piguet - 26470OR.OO.A125CR.01 · $36,750

A fan favorite rhodium dial 'half brick' Audemars Piguet Royal Oak Offshore Chronograph in 42mm rose gold case with Mega Tapisserie patterned dial and open case back to view the 3126 movement.

Condition: Very Good
Case diameter: 42mm
Serial number: K serial number from 2019
Movement: Calibre 3126/3840

Posted at

Aug 19, 2025, 5:27 AM

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Audemars Piguet Royal Oak Offshore Chronograph 'HAVANA" Watch and Bennisson Authentication Card

Audemars Piguet - Royal Oak Offshore Chronograph · $19,500

A Royal Oak Offshore Chronograph in Havana that has been a great conversation starter, especially among AP fans. It's a daily wear watch from the seller's personal collection.

Condition: Very good condition with some light scratches
Authentication Card: Bennisson Watch in West Palm Beach

Posted at

Aug 18, 2025, 11:34 PM

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