Audemars Piguet Royal Oak Royal Oak Ultra Thin Tourbillon White Gold / Diamond / Japan

Reference 26521BC.ZZ.1220BC.01

About this watch

The Audemars Piguet Royal Oak Ultra Thin Tourbillon 26521BC.ZZ.1220BC.01 is a masterpiece of haute horlogerie, showcasing the brand's artistry and technical prowess. This limited edition watch features a stunning white gold case with gem-set bezel and Tapisserie Evolutive pattern on its black dial. The Audemars Piguet caliber AP 2924 movement is a marvel of engineering, featuring a tourbillon escapement and power reserve indicator. With only 10 units produced, this watch is as exclusive as it gets, making it a coveted piece for collectors. Its limited status, combined with the renowned quality of Audemars Piguet, makes it a worthy addition to any collection.
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Key Features

  • White gold case with gem-set bezel
  • Audemars Piguet Caliber AP 2924 hand-wound movement
  • Tourbillon escapement for enhanced accuracy
  • Power reserve indicator on the back of the watch
  • Limited edition of 10 units produced
  • Sapphire glass with water resistance up to 50m
  • Stunning Tapisserie Evolutive pattern on the black dial

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Ultra Thin Tourbillon White Gold / Diamond / Japan
Reference
26521BC.ZZ.1220BC.01
Movement
ap-2924
Movement Features
  • Hours, Minutes
  • Power Reserve Indicator, Tourbillon Escapement
Case
White Gold 41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] 2021 Audemars Piguet Royal Oak Offshore Chrono "The Beast" 42mm 26238ST Blue Dial - $36,900

2021 Audemars Piguet Royal Oak Offshore Chrono "The Beast" 42mm 26238ST Blue Dial - $36,900

2021 Audemars Piguet Royal Oak Offshore Chronograph 42mm with a blue dial and stainless steel case.

  • Box: true
  • Papers: true
  • Manual: true
Posted at
Jan 15, 2026, 3:27 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore "Vampire" 26470ST - Mint

Audemars Piguet Royal Oak Offshore "Vampire" 26470ST - Mint

The watch is an Audemars Piguet Royal Oak Offshore with a black Méga Tapisserie dial and blood-red chronograph accents, powered by the Calibre 3126/3840 self-winding movement.

  • Condition: Excellent
  • Movement: Calibre 3126/3840 self-winding (automatic)
  • Functions: chronograph, date, hours/minutes/seconds, small seconds
  • Power reserve: 50 hours
Posted at
Jan 13, 2026, 11:21 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 features a bold design, ceramic build, and in-house flyback chronograph movement. The 42 mm case delivers classic power in a modern form.

  • Condition: like new
  • Case size: 42 mm
  • Movement caliber: Calibre 4404
  • Power reserve: 70 hours
Posted at
Jan 13, 2026, 8:25 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Blue Dial - 25721ST.OO.1000ST.09 The BEAST!

Audemars Piguet Royal Oak Offshore Blue Dial - 25721ST.OO.1000ST.09 The BEAST!

The Audemars Piguet Royal Oak Offshore has a blue dial, white accents, and full bracelet giving it a unique presence.

  • Box: true
Posted at
Jan 10, 2026, 9:41 AM
Active
[WTS] 2017 Audemars Piguet Royal Oak Offshore Diver 42MM White Dial Rubber Strap 15710ST.OO.A002CA.02

2017 Audemars Piguet Royal Oak Offshore Diver 42MM White Dial Rubber Strap 15710ST.OO.A002CA.02

This is a 2017 Audemars Piguet Royal Oak Offshore Diver in stainless steel with a white dial, on a rubber strap.

  • Condition: near-mint condition with almost zero wear
  • Case size: 42mm
  • Case material: stainless steel
  • Dial color: white
Posted at
Jan 9, 2026, 10:15 PM
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[WTS] Audemars Piguet Royal Oak Offshore 43MM “Smoked Taupe” - Ref 26420SO.OO.A600CA.01 (EXCELLENT 2022 COMPLETE SET)

Audemars Piguet Royal Oak Offshore 43MM “Smoked Taupe” - Ref 26420SO.OO.A600CA.01 (EXCELLENT 2022 COMPLETE SET)

A 43MM Audemars Piguet Royal Oak Offshore in smoked taupe, featuring a factory warranty intact until 2027 and included with outer box, inner box, manuals, and unworn strap.

  • Condition: Excellent pre-owned
  • Case size: 43mm diameter
  • Water resistance: 50m depth rating
Posted at
Jan 9, 2026, 5:09 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

The watch is a 44mm rose gold and black ceramic masterpiece from AP, featuring a smoked grey mega tapisserie dial, mechanical movement, and 100m water resistance.

  • Condition: Like new
  • Movement Caliber: 3126/3840
  • Case Size: 44mm diameter
  • Water Resistance: 100m (10ATM)
Posted at
Jan 9, 2026, 8:10 AM
Active
[WTS] Audemars Piguet Royal Oak Chronograph Yellow Gold Green Dial 41mm 26331BA.OO.1220BA.02

Audemars Piguet Royal Oak Chronograph Yellow Gold Green Dial 41mm 26331BA.OO.1220BA.02

This stunning Audemars Piguet Royal Oak Chronograph features a yellow gold case with a rich green dial, one of only 125 pieces ever made.

  • Condition: like new condition
  • Case diameter: 41mm
  • Case thickness: 11mm
  • Water resistance depth rating: 50m (5 ATM)
Posted at
Jan 9, 2026, 8:06 AM
Active
[WTS] AP Royal Oak Offshore Diver 15706AU – Forged Carbon – 42mm – Watch Only – Good Condition – 19,500 Shipped – Trades Welcome

AP Royal Oak Offshore Diver 15706AU – Forged Carbon – 42mm – Watch Only – Good Condition – 19,500 Shipped – Trades Welcome

Audemars Piguet - 15706AU · $19,500
This is a Royal Oak Offshore Diver Ref. 15706AU, made of forged-carbon and featuring a black ceramic bezel and Méga Tapisserie dial.

  • Condition: Good condition with light carbon wear
  • Case material: Forged Carbon
  • Case size: 42mm diameter
  • Bezel type: Black ceramic bezel
Posted at
Jan 8, 2026, 3:28 PM
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