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.
Buy Now on Jomashop
This is an affiliate link
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

Audemars Piguet Royal Oak Offshore 26420CE.OO.A127CR.01
This is a mint condition Audemars Piguet Royal Oak Offshore, complete with its original boxes, book, and warranty card.
- Condition: MINT
- Case material: Titanium
- Movement: Calibre 3124

Audemars Piguet Royal Oak Offshore 26420SO.OO.A002CA.01
MINT condition Audemars Piguet Royal Oak Offshore, comes with original boxes, book and warranty card.
- Original accessories included: true
Audemars Piguet Royal Oak Offshore "HALF BRICK" Ref 26470OR
This Audemars Piguet Royal Oak Offshore 'Half Brick' features a rose gold case, rhodium dial, and chronograph function. It is powered by the Audemars Caliber 3126/3840 automatic movement.
- Condition: Excellent
- Case size: 42mm
- Material: Rose Gold
- Strap: Alligator leather

Audemars Piguet Royal Oak 41MM Black Dial Stainless Steel FULL SET MINT 15400ST
A timeless masterpiece featuring a striking black dial adorned with the iconic Grande Tapisserie pattern. The watch presents itself as elegant and sophisticated, suitable for business meetings, social events, and everyday wear.
- Condition: Mint condition with little to no signs of wear
- Case material: Stainless Steel
- Diameter: 41mm
- Movement type: Mechanical

Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB
The Audemars Piguet Royal Oak Perpetual Calendar features a blue dial with silver-toned counters and perpetual calendar function. It presents itself in mint condition with little to no signs of wear, and is crafted from white ceramic with an exhibition caseback.
- Condition: Mint
- Case material: White Ceramic
- Dial color: Blue
- Complications: Perpetual Calendar, Moon Phase, Leap Year, Week Indicator

Audemars Piguet Royal Oak Openwork 41MM Pink Gold FULL SET EXCELLENT 15407OR
The Audemars Piguet Royal Oak Openwork features an 18k pink gold case, slate grey openworked skeleton dial, and double balance wheel mechanism. It presents itself in excellent condition with light marks on the bezel.
- Condition: Excellent (with minor signs of wear)
- Case material: 18k pink gold
- Diameter: 41mm
- Water resistance: not specified

Audemars Piguet Royal Oak Offshore. Diver. 15703ST.
This Audemars Piguet Royal Oak Offshore Diver features a selfwinding movement, black Mega Tapisserie dial, and steel case with brushed finish.
- Condition: Excellent
- Case Size: 42mm
- Movement Type: Selfwinding
- Dial Color: Black

Audemars Piguet Royal Oak Chrono. Pride of Italy. 1 of 500. 26326ST
This Audemars Piguet Royal Oak Chrono is a rare model, one of only 500 produced to celebrate Italian heritage and culture. It features a striking blue chronograph on a white dial and comes with an original AP bracelet.
- Condition: Excellent
- Case size: 41mm
- Movement type: Automatic
- Dial color: White

Audemars PIGUET ROYAL OAK 15300ST WHITE DIAL 39MM SERVICED WARRANTY FULL SET
This Audemars Piguet Royal Oak 15300 is a 39mm stainless steel watch with a white dial, purchased from an authorized dealer in 2010 and serviced at the AP service center in 04.2024.
- Condition: Excellent Condition
- Year Purchased: 2010
- Warranty Years Remaining: under 2 years
- Shipping Included: true