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

Reference 15203PT.OO.1240PT.01

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

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] 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
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[WTS] Audemars Piguet Royal Oak Offshore 42mm Chronograph Vampire Box & Strap 26470ST

Audemars Piguet Royal Oak Offshore 42mm Chronograph Vampire Box & Strap 26470ST

Audemars Piguet - 26470ST · $19,950
The Audemars Piguet Royal Oak Offshore Chronograph 'Vampire' ref. 26470ST is a highly sought-after model with a bold design and 42mm size.

  • Condition: Good overall condition with minimal visible scratches
  • Case size: 42mm
  • Movement type: Automatic
  • Crystal material: Sapphire
Posted at
Apr 11, 2026, 1:40 AM
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[WTS] Audemars Piguet Royal Oak Chrono Black 26240st, New 2026 Full Kit $62.5k

Audemars Piguet Royal Oak Chrono Black 26240st, New 2026 Full Kit $62.5k

Audemars Piguet - 26240ST · $62,500
The watch being listed is an Audemars Piguet Royal Oak Chrono Black, a high-end luxury timepiece with a black dial. It features a chronograph function and comes with a full kit, including the box, warranty, and manuals.

  • Condition: Brand New
  • Country of origin: Switzerland
  • Shipping from: Singapore
Posted at
Apr 10, 2026, 12:56 PM
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[WTS] Audemars Piguet Lady Royal Oak Quartz – BOX & PAPERS – 67651ST

Audemars Piguet Lady Royal Oak Quartz – BOX & PAPERS – 67651ST

Audemars Piguet - 67651ST.ZZ.1261ST.01 · $39,000
The Lady Royal Oak Quartz features a silver dial, 40 diamond bezel, and a stainless steel case diameter of 33mm.

  • Condition: Excellent condition, little to no visible wear
  • Movement: Cal 2713 Quartz
  • Case material: Stainless steel with 40 brilliant-cut diamonds, ~0.71 carats on the bezel
  • Case diameter: 33-millimeter
Posted at
Apr 10, 2026, 12:05 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

Audemars Piguet - 26238CD.OO.1300CD.01 · $120,995
This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with an in-house flyback chronograph movement, precision, and a 70-hour reserve. The watch features a bold design, unmistakable Offshore character, and serious presence.

  • Condition: Like new
  • Case size: 42mm
  • Case thickness: 15.3mm
  • Water resistance: 100m (10 ATM)
Posted at
Apr 9, 2026, 8:32 AM
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[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

Audemars Piguet - 26405NR.OO.A002CA.01 · $42,495
This Audemars Piguet Royal Oak Offshore Selfwinding Chronograph features a 44mm rose gold and black ceramic case, smoked grey dial with Mega Tapisserie pattern, and comes with its original box, papers, and warranty card.

  • Condition: like new condition
  • Case size: 44mm diameter
  • Case material: ceramic
  • Bezel material: 18k rose gold
Posted at
Apr 9, 2026, 8:31 AM
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[WTS] Audemars Piguet Royal Oak Offshore 42 Rose Gold / Grey / Alligator

Audemars Piguet Royal Oak Offshore 42 Rose Gold / Grey / Alligator

Audemars Piguet - 26470OR.OO.A125CR.01 · $38,500
The Audemars Piguet Royal Oak Offshore 'Half Brick' features a solid 18k rose gold case with a rhodium dial and silver subdials, providing substantial luxury feel with daily wear comfort.

  • Condition: Phenomenal shape, running great
  • Case size: 42mm diameter
  • Movement: 3126/3840 Automatic
Posted at
Apr 8, 2026, 6:06 PM
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[WTS] 2015 Audemars Piguet Royal Oak Offshore Diver Black - 15710ST.OO.A002CA.01 - Full Set Extra Straps

2015 Audemars Piguet Royal Oak Offshore Diver Black - 15710ST.OO.A002CA.01 - Full Set Extra Straps

Audemars Piguet - 15710ST.OO.A002CA.01 · $17,999
The listing features a 2015 Audemars Piguet Royal Oak Offshore Diver Black in excellent daily wear, with a mega tapisserie large hobnail dial and black lacquered gloss. It comes mounted on a black rubber vulcanized strap with an integrated look, as well as two extra high-quality Vagenari straps.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm diameter
  • Movement: Calibre 3120 with 60 hour power reserve
  • Water Resistance: 300m depth rating
Posted at
Apr 8, 2026, 5:48 PM
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[WTS] 2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

Audemars Piguet - 15720ST · $25,000
The Audemars Piguet Royal Oak Offshore Diver is a bold, modern dive watch that combines the rugged Offshore aesthetic with refined finishing. It features a vibrant blue dial with an inner rotating dive bezel and an in-house automatic movement for reliable performance.

  • Condition: Like new condition
  • Case size: 42mm diameter
  • Movement type: In-house automatic movement
Posted at
Apr 8, 2026, 9:33 AM
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