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

Reference 26521BC.ZZ.1220BC.01

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

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

Current Listings

Audemars Piguet Royal Oak Automatic 41mm Blue 15510ST.OO.1320ST.01 LNIB

Audemars Piguet - 15510ST.OO.1320ST.01 · $54,500

A pristine condition Audemars Piguet Royal Oak with a blue stainless steel dial, delivered with all original packaging and warranty.

Condition: Like new in box (LNIB)
Case size: 41mm
Water resistance: 30m

Posted at

Jan 20, 2026, 6:07 PM

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

Audemars Piguet - 26238CD.OO.1300CD.01 · $123,995

This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 features a bold design, blue 'Méga Tapisserie' dial, and full ceramic build, making it a statement piece with classic power. The watch is powered by an in-house flyback chronograph movement with a 70-hour reserve.

Condition: like new
Case size: 42 mm diameter
Water resistance: 100 m (10 ATM)
Power reserve: 70 hours

Posted at

Jan 20, 2026, 8:05 AM

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Audemars Piguet Royal Oak Offshore 26170ST.OO.D091CR.01

Audemars Piguet - 26170ST.OO.D091CR.01 · $18,699

A classic Royal Oak Offshore reference with a 42mm stainless steel case and iconic octagonal bezel. The watch features an automatic chronograph movement, date display at 3 o'clock, and comes complete with the original box and papers.

Condition: Excellent, light signs of careful wear
Case size: 42mm diameter
Movement type: Automatic chronograph

Posted at

Jan 17, 2026, 8:23 PM

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[US] Audemars Piguet Royal Oak Chronograph 39mm Panda Silver Dial - AP 26300ST Full Set

Audemars Piguet - 26300ST

Audemars Piguet Royal Oak Chronograph with a 39mm panda silver dial.

Condition: Full Set
Diameter: 39mm

Posted at

Jan 16, 2026, 4:55 PM

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AP Royal Oak Offshore Box & Papers Great Condition 26420TI.OO.A027CA.01

Audemars Piguet - 26420TI.OO.A027CA.01 · $27,900

This is the stunning Titanium 43mm model with the blue dial and matching rubber strap — lightweight, sporty, and incredibly comfortable on the wrist.

Condition: Excellent overall
Case material: Titanium
Diameter: 43mm
Straps included: Blue rubber strap

Posted at

Jan 16, 2026, 3:49 PM

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

Audemars Piguet - 26405NR.OO.A002CA.01 · $47,495

This is a strong and beautiful rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph with a 44mm case size, smoked grey dial, and features like chronograph and date.

Condition: like new
Case size: 44mm diameter
Water resistance: 100m (10ATM) depth rating
Movement caliber: 3126/3840

Posted at

Jan 16, 2026, 8:10 AM

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1988 Seiko Quartz Chronograph “Royal Oak” Ref. 7A38-7280 | $305

Seiko - 7A38-7280 · $305

The watch is a two-tone, angular, Royal Oak-inspired chrono powered by one of the best quartz movements ever made. It has a slim, sharp design that's more refined than most people would expect from a Seiko. The 7A38-7280 is pure 80s Seiko flex with real horology behind it.

Condition: Good condition for its age with some markings on the case and bracelet, mineral crystal in good shape
Case Size: 37.3 x 41.5mm
Movement Type: quartz
Jewels: 15

Posted at

Jan 15, 2026, 5:15 PM

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

Audemars Piguet - 26238ST.OO.2000ST.01 · $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

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

Audemars Piguet - 26470ST.OO.A101CR.01 · $20,895

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

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