Audemars Piguet Royal Oak Royal Oak 26551 Grande Complication Skeleton 40th Anniversary

Reference 26551PT.OO.1238PT.02

About this watch

The Audemars Piguet Royal Oak 26551 Grande Complication Skeleton 40th Anniversary is a masterpiece that combines exquisite design with unparalleled functionality. Its standout features, including the perpetual calendar, moonphase, and minute repeater, make it a true marvel of modern watchmaking. With its stunning skeleton design and complex mechanics, it perfectly embodies the spirit of Audemars Piguet. The platinum case exudes luxury, while the skeleton dial offers a peek into the intricate workings of the watch. The grey color adds a level of sophistication that is hard to match. This timepiece is a testament to what can be achieved through passion and expertise in horology.

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Key Features

Platinum Case
Skeleton Dial with AP 2885 Caliber
Perpetual Calendar
Moonphase
Split-Seconds Chronograph
Minute Repeater
Limited Edition of 1 Unit

Specifications

Brand

Audemars Piguet

Family

Royal Oak

Model

Royal Oak 26551 Grande Complication Skeleton 40th Anniversary

Reference

26551PT.OO.1238PT.02

Movement

ap-2885

Movement Features

Hours, Minutes, Small Seconds
Date, Day, Month, Perpetual Calendar
Chronograph, Column wheel, Rattrapante
Moonphase
Minute Repeater

Case

44mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

Current Listings

[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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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, 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

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