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

Audemars Piguet Royal Oak Offshore "Themes" 26170ST.OO.1000ST.08
A stainless steel case, 42mm in diameter, housing a self-winding chronograph movement with date display and small seconds at the 12 o'clock position.
- Condition: pristine condition
- Case material: stainless steel
- Bracelet type: Offshore stainless steel bracelet
- Movement type: self-winding (Calibre 3126 / 3840)

NOS Audemars PIGUET ROYAL OAK 15550ST BLUE DIAL 37MM 2023 COMPLETE SET
A brand new 2023 Audemars Piguet Royal Oak Self-Winding Stainless Steel watch with a beautiful blue dial and complete set.
- Condition: New Old Stock, Unworn & Unsized
- Year: 2023
- Case Size: 37mm
- Material: Stainless Steel
2023 26240ST Audemars Piguet Royal Oak Chronograph Blue Dial FULL SET
2023 Audemars Piguet Royal Oak Chronograph with a blue dial. The watch is part of the full set and includes various documentation.
- Condition: Minimally worn, MINT unpolished condition
- Year: 2023
- Set Type: Full Set
16202BC Audemars Piguet Royal Oak White Gold Jumbo Blue Tuscan Dial COMPLETE SET
The watch being listed is a 2023 Audemars Piguet Royal Oak White Gold Jumbo Blue Tuscan Dial COMPLETE SET in excellent condition. The blue dial and sharp white gold case and bracelet are described as stunning.
- Condition: Excellent, unpolished condition
- Case material: White Gold
- Bracelet type: Complete Set

2025 NEW UNWORN Audemars Piguet Royal Oak Chronograph Blue Rose Gold 26240OR
A 2025 Audemars Piguet Royal Oak Chronograph in Blue Dial housed in Rose Gold, featuring a stunning Bleu Nuit Nuage 50 Grande Tapisserie dial and attractive bezel with polished edges.
- Condition: unworn
- Case material: 18k pink gold
- Diameter: 41mm
- Water resistance: 30m

Audemars Piguet Royal Oak Yellow Gold On Gold 14790BA
Preserved in overall very good condition, comes with box. Light visible surface wear on the case and bracelet.
- Condition: very good condition, with light surface wear
- Shipping: complimentary fully-insured international shipping via FedEx Priority

Audemars Piguet Royal Oak Panda Watch 26331ST.OO.1220ST.03 Chronograph
A stainless steel Royal Oak Chronograph watch with a white Panda dial and chronograph function, featuring a 41MM case.
- Case material: Stainless Steel
- Dial color: white

Audemars Piguet Royal Oak Black Dial Black Ceramic FULL SET MINT 26240CE
This Audemars Piguet Royal Oak features a black ceramic case, black Grande Tapisserie dial with pink gold accents, and a discreet date display at 4:30. It has a 70-hour power reserve, is water-resistant up to 50 meters, and includes luminous hour markers and hands for easy readability.
- Condition: Mint condition with little to no signs of wear
- Case material: Black ceramic
- Diameter: 41mm
- Depth rating: 50m