Audemars Piguet Royal Oak Royal Oak Openworked 15203 Extra-Thin 40th Anniversary Platinum

Reference 15203PT.OO.1240PT.01

About this watch

The Audemars Piguet Royal Oak Openworked 15203PT.OO.1240PT.01 is a masterpiece of luxury watchmaking, embodying excellence in craftsmanship and style. Encased in platinum, this limited edition timepiece celebrates the 40th anniversary of the Royal Oak line with its stunning openworked dial showcasing the intricate workings of its movement. The Audemars Piguet caliber AP 5122, with its slim self-winding mechanism, is a marvel of engineering, boasting 36 jewels and a power reserve of 40 hours. This watch's blend of artistic design, engineering excellence, and limited availability makes it a coveted piece for any watch enthusiast, elevating your timepiece game to new heights.
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Key Features

  • Platinum case with stunning openworked dial
  • Audemars Piguet caliber AP 5122 automatic movement
  • Limited edition of only 40 units produced
  • Water resistance of 50 meters
  • Skeletonized dial showcasing intricate mechanics
  • Sapphire crystal and platinum construction
  • Manual finish on bridges and mainplate for artistry

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Openworked 15203 Extra-Thin 40th Anniversary Platinum
Reference
15203PT.OO.1240PT.01
Movement
ap-5122
Movement Features
  • Hours, Minutes
  • Date
Case
39mm
Dial Color
Skeleton
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] [US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold 26320OR Black Dial - Full Set - $49,250

[US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold 26320OR Black Dial - Full Set - $49,250

Audemars Piguet - 26320OR · $49,250
Additional Details:

  • Case material: rose gold
  • Diameter: 41mm
Posted at
Apr 7, 2026, 10:16 AM
Active
[WTS] [US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Half Brick Gray Rhodium Dial 26470or - Full Set - $37,000

[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Half Brick Gray Rhodium Dial 26470or - Full Set - $37,000

Audemars Piguet - 26470or · $37,000
a luxury chronograph watch from the Royal Oak Offshore collection with a 42mm case size and half brick gray rhodium dial.

Posted at
Apr 7, 2026, 10:12 AM
Active
[WTS] 2013 Audemars Piguet Royal Oak Chronograph 42mm 26170ST — Excellent Condition, Box & Papers

2013 Audemars Piguet Royal Oak Chronograph 42mm 26170ST — Excellent Condition, Box & Papers

Audemars Piguet - 26170ST · $20,500
The Audemars Piguet Royal Oak Chronograph is a bold and iconic take on the Royal Oak, featuring a crisp white dial accented by striking blue chronograph subdials. Its 42mm stainless steel case with octagonal bezel delivers unmistakable wrist presence.

  • Condition: Excellent condition, light signs of wear
  • Case size: 42mm
  • Lug to lug: 54mm
  • Thickness: 14mm
Posted at
Apr 7, 2026, 9:37 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore “Half Brick” 26470OR – 2019 Full Set – Excellent Condition – $39,000

Audemars Piguet Royal Oak Offshore “Half Brick” 26470OR – 2019 Full Set – Excellent Condition – $39,000

This Audemars Piguet Royal Oak Offshore Chronograph 'Half Brick' is a stunning example in excellent condition, with incredible wrist presence and a perfect blend of luxury, sport, and unmistakable AP character.

  • Condition: Excellent condition
  • Case material: rose gold
  • Diameter: 44mm
  • Year: 2019
Posted at
Apr 6, 2026, 3:10 PM
Active
[WTS] AP Royal Oak Dual Time 26120ST

AP Royal Oak Dual Time 26120ST

A Royal Oak Dual Time watch from Audemars Piguet, featuring a 39mm case size and reference number 26120ST.OO.1220ST.01.

  • Condition: Preowned, with minor signs of wear on the case and bracelet
  • Case Size: 39mm
Posted at
Apr 6, 2026, 10:50 AM
Active
[WTS] Audemars Piguet Royal Oak 33mm 15000ST Navy

Audemars Piguet Royal Oak 33mm 15000ST Navy

Audemars Piguet - 15000ST · $27,950
The Audemars Piguet Royal Oak 33mm is a neo-vintage watch with an automatic movement, introduced in 1995. It features a deep blue tapisserie dial and a 33mm integrated bracelet case.

  • Condition: great pre owned condition
  • Case size: 33mm diameter
  • Water resistance: 50m depth rating
  • Movement: AP calibre 2140 (upgraded to 2240 in 2025)
Posted at
Apr 4, 2026, 9:33 PM
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
A 1995 Audemars Piguet Royal Oak 120th Anniversary LE with a blue petite tapisserie dial and stainless steel bracelet. The watch features a quartz movement and has been kept accurate time over a 24-hour period.

  • Condition: Minimal wear, excellent condition overall
  • Case material: Stainless steel
  • Case diameter: 33mm
  • Lug width: 23.5mm
Posted at
Apr 4, 2026, 12:09 PM
Active
[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 clean black 'Méga Tapisserie' dial and an exposed tourbillon at 6 o'clock, providing a sophisticated backdrop for the high-complication movement. The rubber-clad bezel adds a unique matte texture and industrial contrast against the brushed stainless steel case.

  • Condition: Excellent
  • Case Size: 44mm
  • Case Thickness: 13.2mm
  • Water Resistance: 20m (2 ATM)
Posted at
Apr 3, 2026, 8:31 AM
Active