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 Tourbillon Chronograph 44mm 26377SK.OO.D002CA.01 Complete Set

Audemars Piguet Royal Oak Tourbillon Chronograph 44mm 26377SK.OO.D002CA.01 Complete Set

This 44mm Royal Oak Tourbillon Chronograph features a black 'Méga Tapisserie' dial and exposed tourbillon at 6 o'clock, with a rubber-clad bezel providing an industrial contrast against the brushed stainless steel case.

  • Condition: Excellent condition with little to no signs of wear
  • Case size: 44mm
  • Case thickness: 13.2mm
  • Movement caliber: 2889
Posted at
Apr 13, 2026, 8:22 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph, 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️

Audemars Piguet Royal Oak Offshore Chronograph, 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️

This is a black dial Audemars Piguet Royal Oak Offshore Chronograph, a model known for its sporty and elegant design, featuring a rubber strap with a DB buckle.

  • Condition: Lightly Used
  • Band type: Rubber
  • Buckle type: DB buckle
Posted at
Apr 13, 2026, 3:36 AM
Active
[WTS] 1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

Audemars Piguet - 56975ST · $21,800
This is a rare 1995 Audemars Piguet Royal Oak 120th Anniversary LE watch with a stainless steel bracelet, blue dial and tritium lume. The watch has been manually observed to keep accurate time and all functions are working as expected.

  • Condition: Minimal wear, excellent condition overall
  • Case Diameter: 33mm
  • Lug Width: 23.5mm
  • Thickness: 5.8mm
Posted at
Apr 12, 2026, 6:21 PM
Active
Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB

Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB

Audemars Piguet - 26579CB · $306,899
This Audemars Piguet Royal Oak Perpetual Calendar features a blue Grande Tapisserie dial, perpetual calendar function, and is made from white ceramic. It includes hours, minutes, day, date, month, moon phase, leap year, and week indicator functions.

  • Condition: Mint
  • Case material: White ceramic
  • Dial color: Blue
Posted at
Apr 8, 2025, 1:20 PM
Active
Audemars Piguet Royal Oak 39mm White Dial - Mint Condition with Box

Audemars Piguet Royal Oak 39mm White Dial - Mint Condition with Box

This Audemars Piguet Royal Oak features a white dial, iconic octagonal bezel, and signature Tapisserie pattern, making it a true masterpiece of luxury and precision.

  • Condition: Mint Condition
  • Box: Yes, original box included
  • Shipping: Fully insured FedEx Priority Overnight shipping to US addresses included
  • Payment Methods: Wire, cryptocurrency, credit card (+4%)
Posted at
Apr 7, 2025, 8:26 PM
Active
NIB Audemars Piguet Royal Oak Chronograph Rose Gold Green Dial Strap 26240 Full Se

NIB Audemars Piguet Royal Oak Chronograph Rose Gold Green Dial Strap 26240 Full Se

This 41mm Audemars Piguet Royal Oak Chronograph features an in-house automatic movement and a green dial on an 18K rose gold case.

  • Condition: New, unworn (NIB)
  • Case size: 41mm
  • Movement type: Automatic, in-house
Posted at
Apr 7, 2025, 3:20 PM
Active
Audemars PIGUET ROYAL OAK JUMBO ULTRA THIN 15202ST BLUE DIAL 2018 FULL SET

Audemars PIGUET ROYAL OAK JUMBO ULTRA THIN 15202ST BLUE DIAL 2018 FULL SET

A 2018 Audemars Piguet Royal Oak Jumbo Extra-Thin in stainless steel with a blue dial, featuring a 39mm case size.

  • Condition: Excellent Condition
  • Case Size: 39mm
  • Diameter: 39mm
  • Year: 2018
Posted at
Apr 4, 2025, 9:08 PM
Active
2022 Audemars Piguet Ref. 26331ST Royal Oak Chronograph

2022 Audemars Piguet Ref. 26331ST Royal Oak Chronograph

Audemars Piguet - 26331ST · $41,950
2022 Audemars Piguet Ref. 26331ST Royal Oak Chronograph, featuring a 41mm case and blue dial.

  • Condition: Light wear
  • Case size: 41mm
  • Dial color: blue
Posted at
Apr 4, 2025, 11:30 AM
Active