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
1970s Audemars Piguet 8638BA Royal Oak 29mm 18K Yellow Gold with Service Receipt
This is a 1970s Audemars Piguet Royal Oak in 18K yellow gold with a grey dial, measuring 29mm in case size. It comes with service receipts and has been well-maintained.
- Condition: Very Good
- Case Size: 29mm
- Material: 18K Yellow Gold
- Dial Color: Grey

2005 Audemars Piguet Royal Oak 15300ST White Dial - Box and Papers
The Royal Oak, with its 39mm case size, is a perfect and wearable size. The white and steel case has clean aesthetics.
- Case Size: 39mm diameter
- Bracelet Fits: up to 7.5 inch wrist
- Movement Status: running fantastic

Audemars Piguet Royal Oak Selfwinding White Dial Steel FULL SET MINT 15500ST
The watch features a clean white dial with a Grande Tapisserie pattern, stainless steel case, and brushed stainless steel bezel. It presents itself in mint condition with little to no signs of wear.
- Condition: Mint condition
- Case size: 40mm diameter
- Water resistance: 50m depth rating
- Movement: Selfwinding movement

Audemars Piguet Royal Oak Selfwinding Silver Pink Gold FULL SET MINT 77450SR
The Audemars Piguet Royal Oak Selfwinding features a harmonious blend of stainless steel and 18k pink gold, showcasing a silver-toned dial with the iconic Grande Tapisserie pattern. It presents itself in mint condition with little to no signs of wear, and is water proof up to 50 meters.
- Condition: Mint
- Case material: Stainless Steel
- Dial color: Silver
- Bezel material: 18k Pink Gold
Audemars Piguet Royal Oak Offshore 26470ST.OO.A028CR.01.A
The watch is a Royal Oak Offshore model, nicknamed "Batman" and features a stainless steel bracelet and original leather strap.
- Condition: Excellent with light scratches on bezel
- Warranty: until 2/13/26
- Boxes: includes boxes, papers, tag, warranty card
- Travel case: will include travel case
Audemars Piguet Royal Oak - 4100BA - Grey - Yellow Gold - 34mm - Excellent
This is a vintage Audemars Piguet Royal Oak watch with a grey dial and yellow gold case. It features an automatic movement and has been graded excellent.
- Condition: Pre-Owned
- Case size: 34mm diameter
- Material: Yellow Gold
- Bracelet type: Gold
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