Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Openworked Platinum

Reference 25829PT.OO.0944PT.01

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar Openworked Platinum is a masterpiece of watchmaking, blending tradition and innovation in a harmonious blend of style and precision. This stunning timepiece boasts an intricate openworked movement, manually finished with polished bevels, satin-brushed edges, and perlage on the recesses. The platinum construction exudes luxury, while the see-through dial offers an unobstructed view of the inner workings. With a 40-hour power reserve and automatic adjustment for leap years and varying month lengths, this watch is not just a timekeeper but a testament to Audemars Piguet's technical mastery. The moon phase complication adds a poetic touch, while the lack of indexes creates a stunning visual effect. Measuring 39.00 mm in diameter and 9.30 mm in height, this watch is versatile enough for both men and women. Whether dressed formally or casually, it completes any look with sophistication.
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Key Features

  • Audemars Piguet caliber AP 2120 / 2802 movement
  • Platinum construction and openworked design
  • See-through dial and intricate inner workings
  • 40-hour power reserve and automatic date adjustment
  • Moon phase complication and poetic touch
  • Feuille-style hands and lack of indexes
  • 39.00 mm diameter and 9.30 mm height

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Perpetual Calendar Openworked Platinum
Reference
25829PT.OO.0944PT.01
Movement
ap-2120-2802
Movement Features
  • Hours, Minutes
  • Date, Day, Leap Year, Month, Perpetual Calendar
  • Moonphase
Case
39mm
Dial Color
See-through
Crystal
Sapphire
Water Resistance
20

Current Listings

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

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
Active
[WTS] AP Royal Oak 38mm Chrono | 26315st | White x Blue Subdials | Complete

AP Royal Oak 38mm Chrono | 26315st | White x Blue Subdials | Complete

Audemars Piguet - 26315st · $44,500
The seller is listing an Audemars Piguet Royal Oak Chronograph in 38mm with a white dial and blue subdials.

  • Condition: Preowned in retail ready condition
  • Case Size: 38mm diameter
  • Crystal Condition: Clean crystal
Posted at
Jan 23, 2026, 1:23 PM
Active
[WTS] 2023 Audemars Piguet  Royal Oak  41mm 15510ST Stainless Steel Blue Dial - $53,250

2023 Audemars Piguet Royal Oak 41mm 15510ST Stainless Steel Blue Dial - $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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[WTS] Audemars Piguet Royal Oak Extra Thin Jumbo – BOX & PAPERS – 15202ST

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

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
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

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

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

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

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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[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, 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
Active
[WTS] Audemars Piguet Royal Oak Offshore 26170ST.OO.D091CR.01

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

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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