Audemars Piguet Royal Oak Royal Oak Extra-Thin Openworked Stainless Steel / 50th Anniversary
Reference 16204ST.OO.1240ST.01
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
UNWORN 2022 Audemars Piguet 15551ST 50th Anniversary Royal Oak 37mm Box & Papers
A brand new, unworn Audemars Piguet Royal Oak 50th Anniversary edition in stainless steel with a blue dial.
- Condition: UNWORN
- Case Size: 37mm diameter
- Material: Stainless Steel
- Dial Color: Blue
Audemars Piguet Royal Oak Offshore Panda 26170ST
This Audemars Piguet Royal Oak Offshore is known as the Panda due to its white dial and black/red subdials. It's powered by the Caliber 3126 movement, offering extreme accuracy.
- Condition: Very good, with light scratches on the case
- Case size: 42mm
- Material: stainless steel

Audemars Piguet 4100BA Royal Oak III
This Audemars Piguet Royal Oak III is a 35mm unpolished 18k yellow gold watch with an unpolished bezel and bracelet. The dial features brass, grey petite tapisserie decoration and is complemented by 18k yellow gold hands, indices, and date wheel.
- Case diameter: 35mm
- Bezel material: 18k yellow gold
- Bracelet type: 477 H-link

BNIB Audemars PIGUET ROYAL OAK 15510ST STEEL BLUE NUIT DIAL 2025 COMPLETE SET
2025 Audemars Piguet Royal Oak with a 41mm stainless steel case and Bleu Nuit, Nuage 50 dial.
- Condition: Brand New In Box (BNIB)
- Material: stainless steel
- Diameter: 41mm
- Movement: self-winding
Audemars Piguet Royal Oak Offshore Chrono Black Themes 26170ST Complete&Serviced
The Audemars Piguet Royal Oak Offshore Chronograph “Black Themes” is a high-end timepiece with a 3126/3840 calibre produced from 2007+. It features a case of H23468-12112 and comes with a full set, including an OEM rubber strap w/ deployant buckle.
- Condition: Excellent condition, never polished
- Case size: 44mm diameter
- Movement: Calibre 3126/3840
- Year: 2011
2019 Audemars Piguet Royal Oak Perpetual Calendar 26579CE - Excellent Condition With
The Audemars Piguet Royal Oak Perpetual Calendar is a masterpiece of haute horology, crafted from black ceramic with a 41mm case and iconic octagonal bezel.
- Condition: Excellent Condition
- Case material: black ceramic
- Diameter: 41mm
2017 Audemars Piguet Royal Oak Chronograph 41mm Blue Dial 26331ST - Near Mint Conditi
The Audemars Piguet Royal Oak Chronograph showcases the brand's iconic design paired with exceptional craftsmanship, featuring a 41mm stainless steel case and blue Grande Tapisserie dial.
- Condition: Near Mint Condition
- Case diameter: 41mm
- Movement type: self-winding
- Water resistance: not specified

Audemars Piguet 26470ST.00.A028CR.01 Royal Oak Offshore
This Audemars Piguet Royal Oak Offshore comes with various accessories, including books and warranty cards.
- Condition: Very good condition
- Bracelets: black rubber, blue rubber, factory AP steel bracelet