Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Openworked 41 150th Anniversary
Reference 26585XT.OO.1220XT.01
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
- 20
Current Listings

Audemars Piguet Royal Oak Double Balance Wheel Openworked White Gold 15412BC
This Audemars Piguet Royal Oak Double Balance Wheel Openworked features a stunning diamond-set bezel and an openworked dial that reveals the double balance wheel. It presents itself as a solid presence on the wrist with its brushed white gold case.
- Condition: Mint condition
- Case material: White Gold
- Diameter: 40mm
- Water resistance: not specified

Audemars Piguet 26297IS Royal Oak Offshore Pride Of Mexico
A limited edition Audemars Piguet Royal Oak Offshore Pride of Mexico, with a titanium case and green Horus band.
- Case size: 42mm
- Case material: Titanium
- Band color: Green

BNIB Audemars PIGUET ROYAL OAK JUMBO 16202ST BLUE DIAL 2025 COMPLETE SET
This is a Brand New in Box Audemars Piguet Royal Oak Jumbo Extra-thin, reference 16202ST.OO.1240ST.02, featuring a blue dial. It has a new in-house selfwinding movement, Calibre 7121.
- Condition: Brand New in Box and Very Beautiful
- Case size: 39mm
- Material: Stainless Steel
- Movement: Calibre 7121

Audemars PIGUET ROYAL OAK OFFSHORE DIVER 15720ST GREY DIAL 2023 WARRANTY
2023 Audemars Piguet Royal Oak Offshore Diver with a 42mm stainless steel case and grey dial, featuring interchangeable straps and a factory warranty.
- Condition: Excellent, unpolished condition
- Case diameter: 42mm
- Water resistance: No mention of water resistance
- Warranty left: Under 5 years factory warranty
2019 Audemars Piguet Royal Oak 41mm 15500ST - Mint Condition With Box & Papers
The Audemars Piguet Royal Oak 41mm features a sleek black dial with the signature Grande Tapisserie pattern and a stainless steel case with an integrated bracelet. It has an automatic movement ensuring precision and reliability.
- Condition: Mint Condition
- Case material: stainless steel
- Bracelet type: integrated
: Audemars Piguet Royal Oak Offshore "BATMAN" Ref 26740ST
This Audemars Piguet Royal Oak Offshore features a 42mm stainless steel case with a modern design and chronograph function. The watch has a black mega Tapisserie dial with blue sub-dials, giving it the nickname 'Batman'. It comes in excellent condition, rarely worn.
- Condition: Excellent
- Case Size: 42mm
- Case Material: Stainless Steel
- Movement: Audemars Caliber 3126 automatic movement
Audemars Piguet Royal Oak Offshore "NAVY" Ref 26470St
This Audemars Piguet Royal Oak Offshore features a 42mm stainless steel case with a modern design, chronograph function, and navy blue dial on a rubber strap.
- Condition: Excellent
- Case material: Stainless Steel
- Movement: Audemars Caliber 3126 automatic movement
- Size: 42mm
2000 Audemars Piguet 15000ST Royal Oak 33mm Automatic with Box & Papers
This Audemars Piguet Royal Oak is a 33mm automatic watch featuring a stainless steel case and blue dial.
- Condition: Very Good
- Case material: Stainless Steel
- Dial color: Blue
- Wrist size recommendation: 7

Audemars Piguet Royal Oak Offshore 26420CE.OO.A127CR.01
This is a mint condition Audemars Piguet Royal Oak Offshore, complete with its original boxes, book, and warranty card.
- Condition: MINT
- Case material: Titanium
- Movement: Calibre 3124