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

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

Audemars Piguet Royal Oak 41mm Blue Dial 15500ST � 2021
This is an unpolished Audemars Piguet Royal Oak 41mm Blue Dial watch that features a sought-after blue dial. It comes with boxes, booklets, warranty card, and was originally sold in October 2021.
- Condition: Excellent, with a few faint hairlines and marks on the case, small marks and swirls on the bracelet, and light marks and hairlines on the brushed face.
- Case size: 41mm
- Diameter: 41mm

Audemars Piguet Royal Oak Offshore Chronograph BumbleBee 26176FO � Box & Papers
This Audemars Piguet Royal Oak Offshore Chronograph is a BumbleBee version with a carbon fiber case and black and yellow dial, featuring protective aftermarket stickers on the case.
- Condition: Excellent
- Material: Carbon fiber
- Diameter: 44mm
- Depth rating: 100m

2001 Audemars Piguet 14790ST Military Dial Royal Oak
This 2001 Audemars Piguet Royal Oak features a 36mm stainless steel case with a matte military black dial and soft creme colored markers and hands.
- Case size: 36mm
- Case material: stainless steel
- Bezel finish: longitudinal satination with highly polished chamfer