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] 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 quartz-powered chronograph with date display and alarm functions, housed in an approximately 44mm case.

  • Condition: Poor condition with signs of wear and fading
  • Case size: approximately 44mm diameter
  • Bracelet length supported: up to 8 inches
Posted at
Feb 21, 2026, 5:38 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph 42mm Champagne Gold Dial 26470OR.OO.A002CR.01 "Half Brick”

Audemars Piguet Royal Oak Offshore Chronograph 42mm Champagne Gold Dial 26470OR.OO.A002CR.01 "Half Brick”

This listing is for an Audemars Piguet Royal Oak Offshore Chronograph with a champagne gold dial, 42mm case size, and various other features. The watch is described as being in very good condition, with minor flaws noted. Additional details are available upon request.

  • Condition: Very good, with minor marks and wear
  • Material: Gold
Posted at
Feb 20, 2026, 10:38 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 Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial is a 44mm rose gold and black ceramic masterpiece with a smoked grey dial, featuring a chronograph, date, small seconds, and water resistance of 100m.

  • Condition: like new
  • Case size: 44mm diameter
  • Case material: ceramic
  • Bezel material: 18k rose gold
Posted at
Feb 20, 2026, 9:10 AM
Active
[WTS] [US] Audemars Piguet Royal Oak ‘Jumbo’ Blue Dial 39mm Stainless Steel 15202st - $63,500

[US] Audemars Piguet Royal Oak ‘Jumbo’ Blue Dial 39mm Stainless Steel 15202st - $63,500

This listing is for a used Audemars Piguet Royal Oak 'Jumbo' with a blue dial, made of stainless steel. The watch features a 39mm case size.

Posted at
Feb 19, 2026, 2:37 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore 15710ST Complete Set w/Box and Papers

Audemars Piguet Royal Oak Offshore 15710ST Complete Set w/Box and Papers

Audemars Piguet - 15710ST · $16,995
This Audemars Piguet Royal Oak Offshore is a stainless steel watch with a white Mega Tapisserie dial and iconic octagonal bezel. It features an automatic Caliber 3120 movement, approximately 60-hour power reserve, and 300m water resistance.

  • Condition: Excellent Pre-Owned Condition
  • Case material: stainless steel
  • Dial type: white Mega Tapisserie
  • Bezel material: stainless steel with exposed hexagonal screws
Posted at
Feb 18, 2026, 3:52 PM
Active
[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 · $112,000
The Audemars Piguet Royal Oak Chronograph showcases the iconic Royal Oak design executed in full black ceramic, delivering a bold yet refined presence. Featuring the signature “Grande Tapisserie” dial and in-house flyback chronograph movement, it blends cutting-edge materials with AP’s legendary craftsmanship.

  • Condition: Brand new
  • Case Material: Full black ceramic
  • Diameter: 41mm
  • Lug To Lug: 51.4mm
Posted at
Feb 18, 2026, 8:06 AM
Active
[WTS] 2023 Audemars Piguet Royal Oak Offshore Chrono 42mm 26238ST Blue Dial - $39,850

2023 Audemars Piguet Royal Oak Offshore Chrono 42mm 26238ST Blue Dial - $39,850

The seller is listing a 2023 Audemars Piguet Royal Oak Offshore Chronograph in stainless steel with a blue dial and black counters.

  • Condition: Excellent overall condition
  • Case size: 42mm diameter
  • Material: Stainless Steel
  • Strap material: Blue rubber and Black Calfskin leather
Posted at
Feb 17, 2026, 1:16 PM
Active
[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 is a brand-new 2025 release with a bold design and unmistakable Offshore character, featuring a blue ceramic build and 42 mm case.

  • Condition: Like new
  • Case size: 42 mm
  • Case material: Blue ceramic with titanium caseback
  • Bezel material: Ceramic
Posted at
Feb 17, 2026, 8:56 AM
Active