Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Openworked Stainless Steel

Reference 25829ST.OO.0944ST.01

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar Openworked Stainless Steel is a masterpiece of horology, showcasing exquisite craftsmanship and iconic design. This remarkable watch combines artistry with functionality, featuring an openworked dial that reveals the intricate inner workings of its exceptional movement. The 39.00mm case diameter and 9.30mm height strike a perfect balance between presence and subtlety, making it suitable for both formal and casual occasions. Protected by sapphire glass, this watch is not only durable but also offers crystal-clear visibility. With a 40-hour power reserve and a frequency of 21,600 vibrations per hour, the AP caliber AP 2120 / 2802 movement is as reliable as it is beautiful. This timepiece is more than just a luxury item; it's an investment in a legacy that embodies precision, timeless style, and artistry.

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Market Price: $190,845

Key Features

40-hour power reserve
21,600 vibrations per hour frequency
Sapphire glass crystal protection
39mm case diameter
9.30mm height
Openworked dial design
Integrated stainless steel bracelet

Specifications

Brand

Audemars Piguet

Family

Royal Oak

Model

Royal Oak Perpetual Calendar Openworked Stainless Steel

Reference

25829ST.OO.0944ST.01

Movement

ap-2120-2802

Movement Features

Hours, Minutes
Date, Day, Leap Year, Month, Perpetual Calendar
Moonphase

Case

Stainless Steel 39mm

Dial Color

See-through

Crystal

Sapphire

Water Resistance

Current Listings

Audemars Piguet Royal Oak Offshore 18K Rose Gold “Rhodium” 42MM - Ref 26470OR (LIKE NEW 2018 COMPLETE SET)

Audemars Piguet - 26470OR · $33,700

A 42MM Audemars Piguet Royal Oak Offshore in 18K Rose Gold 'Rhodium' is being sold. The watch is in excellent condition and comes with its complete set.

Condition: Immaculate, unpolished condition; could pass as new with handling marks
Case size: 42mm
Materials: 18K Rose Gold
Year: 2018

Posted at

Jan 23, 2026, 4:43 PM

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2023 Audemars Piguet Royal Oak 41mm 15510ST Stainless Steel Blue Dial - $53,250

Audemars Piguet - 15510ST.OO.1320ST.01 · $53,250

2023 Audemars Piguet Royal Oak 41mm stainless steel blue dial watch with original box, papers, and warranty.

Condition: Excellent overall condition
Box And Papers: Yes
Warranty: 5 year manufacturer warranty
Size Diameter: 41mm

Posted at

Jan 23, 2026, 1:07 PM

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Audemars Piguet Royal Oak Extra Thin Jumbo – BOX & PAPERS – 15202ST

Audemars Piguet - 15202ST.OO.0944ST.02 · $55,000

The watch is a Royal Oak Extra Thin Jumbo with an ultra-thin design, sharp steel lines, and a recognizable integrated bracelet. The naturally aged blue dial adds character to the watch.

Condition: Great overall condition, minimal evident wear.
Case material: Stainless steel
Case diameter: 39mm
Bracelet length: 21 total links

Posted at

Jan 23, 2026, 9:04 AM

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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 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph features a smoked grey Mega Tapisserie dial and comes with its outer box, inner wood box, booklets and warranty card.

Condition: like new
Case material: ceramic
Bezel material: 18k rose gold
Diameter: 44mm

Posted at

Jan 23, 2026, 8:57 AM

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2024 Audemars Piguet Royal Oak Chronograph 26240CE — Brand New Condition, Box & Papers

Audemars Piguet - 26240CE · $115,000

The Audemars Piguet Royal Oak Chronograph showcases the iconic Royal Oak design in full black ceramic, featuring a Grande Tapisserie dial and in-house flyback chronograph movement.

Condition: Brand new condition
Case size: 41mm diameter
Dimensions: 51.4mm lug to lug, 12.4mm thick

Posted at

Jan 21, 2026, 8:02 AM

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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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