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.
Buy Now on Jomashop
This is an affiliate link

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 26470IO – Titanium/Ceramic – Box & Papers – Random Serial (2020+) – Great Condition – 26,800 Shipped – Trades Welcome

Audemars Piguet Royal Oak Offshore 26470IO – Titanium/Ceramic – Box & Papers – Random Serial (2020+) – Great Condition – 26,800 Shipped – Trades Welcome

Audemars Piguet - 26470IO · $26,800
This Audemars Piguet Royal Oak Offshore Ref. 26470IO features a titanium case, gray ceramic bezel, and AP automatic chronograph movement, giving it a rugged yet luxurious presence.

  • Condition: great
  • Case material: titanium
  • Bezel material: gray ceramic
  • Movement type: AP automatic chronograph movement
Posted at
Feb 15, 2026, 12:13 PM
Active
[WTS] Vintage Seiko Sports 150 – Alarm Chronograph – 😏 “Poor Man’s AP Royal Oak” 😏 – 7T34-7A10 – $245 Shipped

Vintage Seiko Sports 150 – Alarm Chronograph – 😏 “Poor Man’s AP Royal Oak” 😏 – 7T34-7A10 – $245 Shipped

Seiko - 7T34-7A10 · $245
This vintage Seiko Sports 150 is a stylish and functional chronograph watch featuring date display, alarm functions, and powered by quartz movement. It's housed in an approximately 44mm case on its original bracelet.

  • Condition: Used with signs of wear and fading
  • Case Size: approximately 44mm
  • Strap Length: up to 8 inches
Posted at
Feb 14, 2026, 2:14 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Diver “The Admiral”

Audemars Piguet Royal Oak Offshore Diver “The Admiral”

The Audemars Piguet Royal Oak Offshore Diver 'The Admiral' features a 42mm case, white hobnail dial, and integrated strap with navy blue accents.

  • Condition: Excellent Condition
  • Case size: 42mm
  • Water resistance: 200m depth rating
Posted at
Feb 14, 2026, 11:01 AM
Active
[WTS] Audemars Piguet Royal Oak 6014ba ($39,500)

Audemars Piguet Royal Oak 6014ba ($39,500)

Audemars Piguet - 6014BA · $39,500
This Audemars Piguet Royal Oak is a solid 18K gold watch with a quartz movement, suitable for a 7-inch wrist.

  • Condition: really nice
  • Material: solid 18K gold
  • Wrist size compatibility: roughly 7 inch
Posted at
Feb 13, 2026, 4:22 PM
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

The watch is a 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph with a smoked grey dial.

  • Condition: Like new
  • Case size: 44mm
  • Movement caliber: 3126/3840
  • Power reserve: 50 hours
Posted at
Feb 13, 2026, 9:05 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore 26470IO – Titanium/Ceramic – Box & Papers – Random Serial (2020+) – Great Condition – 26,800 Shipped – Trades Welcome

Audemars Piguet Royal Oak Offshore 26470IO – Titanium/Ceramic – Box & Papers – Random Serial (2020+) – Great Condition – 26,800 Shipped – Trades Welcome

Audemars Piguet - 26470IO · $26,800
Up for sale is an Audemars Piguet Royal Oak Offshore Ref. 26470IO, one of the most striking modern Offshore configurations. The titanium case paired with the gray ceramic bezel gives this piece a rugged, stealth-luxury presence, while still wearing comfortably thanks to the lightweight build.

  • Condition: Great
  • Case Material: titanium
  • Bezel Material: gray ceramic
  • Movement: AP automatic chronograph movement
Posted at
Feb 12, 2026, 11:14 AM
Active
[WTS] Audemars Piguet Royal Oak 15300OR – Rose Gold - Watch Only

Audemars Piguet Royal Oak 15300OR – Rose Gold - Watch Only

Audemars Piguet - 15300OR · $28,500
This Audemars Piguet Royal Oak reference 15300OR features a 39mm 18k rose gold case with a classic white Grande Tapisserie dial, powered by the in-house AP Calibre 3120 automatic movement. It comes with both a brown alligator leather strap and an additional white rubber strap for different wear options.

  • Condition: Very good pre-owned condition
  • Case Size: 39mm
  • Material: 18k Rose Gold
  • Dial: White “Grande Tapisserie”
Posted at
Feb 12, 2026, 8:43 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Diver 42mm Funky Green 15710ST.OO.A038CA.01

Audemars Piguet Royal Oak Offshore Diver 42mm Funky Green 15710ST.OO.A038CA.01

This Audemars Piguet Royal Oak Offshore Diver is a 42mm Funky Green timepiece with a stainless steel case and rubber band, featuring an automatic movement, sapphire crystal, and a water resistance of 300 meters. The watch comes with its outer box, inner green box, instruction manual, and warranty manual.

  • Condition: Excellent pre-owned condition
  • Case diameter: 42mm
  • Water resistance: 300 meters
  • Movement: Automatic
Posted at
Feb 11, 2026, 8:53 PM
Active