Audemars Piguet Royal Oak Royal Oak Extra-Thin Openworked Stainless Steel / 50th Anniversary

Reference 16204ST.OO.1240ST.01

Audemars Piguet Royal Oak Extra-Thin Openworked Stainless Steel / 50th Anniversary

About this watch

The Audemars Piguet Royal Oak Extra-Thin Openworked is a masterpiece of horological excellence. Its unique skeleton design showcases the intricate inner workings of the watch, while its stainless steel case and sapphire crystal radiate sophistication. With a diameter of 39.00 mm and a height of just 8.10 mm, this timepiece is designed for comfort and elegance. The open case back allows wearers to admire the complexity of the movement from both sides, while the Audemars Piguet caliber AP 7124 boasts precision and a slim profile. This self-winding movement features a power reserve of 55 hours and water resistance up to 50 meters, making it suitable for various environments. The watch is equipped with a stainless steel bracelet that complements the case beautifully, ensuring a comfortable fit on the wrist. Whether you're dressing up or heading out casually, this watch adapts effortlessly to your outfit, feeling equally at home in a tuxedo as it does with jeans.
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Key Features

  • Audemars Piguet caliber AP 7124 movement
  • Skeletonized stainless steel case
  • Sapphire crystal glass
  • Water resistance up to 50 meters
  • Stainless steel bracelet
  • Power reserve of 55 hours
  • Frequency: 28,800 vibrations per hour

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Extra-Thin Openworked Stainless Steel / 50th Anniversary
Reference
16204ST.OO.1240ST.01
Movement
ap-7124
Movement Features
  • Hours, Minutes
Case
Stainless Steel 39mm
Dial Color
Skeleton
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Audemars Piguet Royal Oak Offshore Chronograph – Titanium $31,699

Audemars Piguet Royal Oak Offshore Chronograph – Titanium $31,699

Audemars Piguet - 26420TI.OO.A027CA.01 · $31,699
This Audemars Piguet Royal Oak Offshore Chronograph in Grade 5 titanium features a blue Méga Tapisserie dial and is powered by AP's in-house Calibre 4401 flyback chronograph. It has a bold wrist presence, remains lightweight and wearable, and offers 100m water resistance.

  • Condition: Very good overall condition
  • Diameter: 43mm
  • Case material: Grade 5 titanium
  • Water resistance: 100m
Posted at
Jan 25, 2026, 7:55 PM
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[WTS] Audemars Piguet Royal Oak White Men's Watch Safari Complete 26170ST.OO.D091CR.01

Audemars Piguet Royal Oak White Men's Watch Safari Complete 26170ST.OO.D091CR.01

Audemars Piguet - 26170ST.OO.D091CR.01 · $18,699
This is an Audemars Piguet Royal Oak Offshore Chronograph with a 42 mm stainless steel case and iconic octagonal bezel.

  • Condition: Excellent with light signs of careful wear
  • Case size: 42mm diameter
  • Movement type: Automatic chronograph
Posted at
Jan 24, 2026, 11:21 PM
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[WTS] Audemars Piguet Royal Oak Offshore 18K Rose Gold “Rhodium” 42MM - Ref 26470OR (LIKE NEW 2018 COMPLETE SET)

Audemars Piguet Royal Oak Offshore 18K Rose Gold “Rhodium” 42MM - Ref 26470OR (LIKE NEW 2018 COMPLETE SET)

Audemars Piguet - 26470OR · $33,700
A 42MM Audemars Piguet Royal Oak Offshore in 18K Rose Gold 'Rhodium' is being sold. The watch is in excellent condition and comes with its complete set.

  • Condition: Immaculate, unpolished condition; could pass as new with handling marks
  • Case size: 42mm
  • Materials: 18K Rose Gold
  • Year: 2018
Posted at
Jan 23, 2026, 4:43 PM
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[WTS] 2023 Audemars Piguet Royal Oak 41mm 15510ST Stainless Steel Blue Dial - $53,250

2023 Audemars Piguet Royal Oak 41mm 15510ST Stainless Steel Blue Dial - $53,250

Audemars Piguet - 15510ST.OO.1320ST.01 · $53,250
2023 Audemars Piguet Royal Oak 41mm stainless steel blue dial watch with original box, papers, and warranty.

  • Condition: Excellent overall condition
  • Box And Papers: Yes
  • Warranty: 5 year manufacturer warranty
  • Size Diameter: 41mm
Posted at
Jan 23, 2026, 1:07 PM
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[WTS] Audemars Piguet Royal Oak Extra Thin Jumbo – BOX & PAPERS – 15202ST

Audemars Piguet Royal Oak Extra Thin Jumbo – BOX & PAPERS – 15202ST

Audemars Piguet - 15202ST.OO.0944ST.02 · $55,000
The watch is a Royal Oak Extra Thin Jumbo with an ultra-thin design, sharp steel lines, and a recognizable integrated bracelet. The naturally aged blue dial adds character to the watch.

  • Condition: Great overall condition, minimal evident wear.
  • Case material: Stainless steel
  • Case diameter: 39mm
  • Bracelet length: 21 total links
Posted at
Jan 23, 2026, 9:04 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 · $47,495
This 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph features a smoked grey Mega Tapisserie dial and comes with its outer box, inner wood box, booklets and warranty card.

  • Condition: like new
  • Case material: ceramic
  • Bezel material: 18k rose gold
  • Diameter: 44mm
Posted at
Jan 23, 2026, 8:57 AM
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[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 · $115,000
The Audemars Piguet Royal Oak Chronograph showcases the iconic Royal Oak design in full black ceramic, featuring a Grande Tapisserie dial and in-house flyback chronograph movement.

  • Condition: Brand new condition
  • Case size: 41mm diameter
  • Dimensions: 51.4mm lug to lug, 12.4mm thick
Posted at
Jan 21, 2026, 8:02 AM
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[wts] Audemars Piguet Royal Oak Automatic 41mm Blue 15510ST.OO.1320ST.01 LNIB

Audemars Piguet Royal Oak Automatic 41mm Blue 15510ST.OO.1320ST.01 LNIB

Audemars Piguet - 15510ST.OO.1320ST.01 · $54,500
A pristine condition Audemars Piguet Royal Oak with a blue stainless steel dial, delivered with all original packaging and warranty.

  • Condition: Like new in box (LNIB)
  • Case size: 41mm
  • Water resistance: 30m
Posted at
Jan 20, 2026, 6:07 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 · $123,995
This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 features a bold design, blue 'Méga Tapisserie' dial, and full ceramic build, making it a statement piece with classic power. The watch is powered by an in-house flyback chronograph movement with a 70-hour reserve.

  • Condition: like new
  • Case size: 42 mm diameter
  • Water resistance: 100 m (10 ATM)
  • Power reserve: 70 hours
Posted at
Jan 20, 2026, 8:05 AM
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