Audemars Piguet Royal Oak Royal Oak Extra-Thin Openworked Stainless Steel / 50th Anniversary

Reference 16204ST.OO.1240ST.01

Audemars Piguet Royal Oak Extra-Thin Openworked Stainless Steel / 50th Anniversary

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

Current Listings

Audemars Piguet Royal Oak Chrono Black 26240st, New 2026 Full Kit $62.5k

Audemars Piguet - 26240ST · $62,500

The watch being listed is an Audemars Piguet Royal Oak Chrono Black, a high-end luxury timepiece with a black dial. It features a chronograph function and comes with a full kit, including the box, warranty, and manuals.

Condition: Brand New
Country of origin: Switzerland
Shipping from: Singapore

Posted at

Apr 10, 2026, 12:56 PM

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Audemars Piguet Lady Royal Oak Quartz – BOX & PAPERS – 67651ST

Audemars Piguet - 67651ST.ZZ.1261ST.01 · $39,000

The Lady Royal Oak Quartz features a silver dial, 40 diamond bezel, and a stainless steel case diameter of 33mm.

Condition: Excellent condition, little to no visible wear
Movement: Cal 2713 Quartz
Case material: Stainless steel with 40 brilliant-cut diamonds, ~0.71 carats on the bezel
Case diameter: 33-millimeter

Posted at

Apr 10, 2026, 12:05 PM

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Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

Audemars Piguet - 26238CD.OO.1300CD.01 · $120,995

This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with an in-house flyback chronograph movement, precision, and a 70-hour reserve. The watch features a bold design, unmistakable Offshore character, and serious presence.

Condition: Like new
Case size: 42mm
Case thickness: 15.3mm
Water resistance: 100m (10 ATM)

Posted at

Apr 9, 2026, 8:32 AM

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Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

Audemars Piguet - 26405NR.OO.A002CA.01 · $42,495

This Audemars Piguet Royal Oak Offshore Selfwinding Chronograph features a 44mm rose gold and black ceramic case, smoked grey dial with Mega Tapisserie pattern, and comes with its original box, papers, and warranty card.

Condition: like new condition
Case size: 44mm diameter
Case material: ceramic
Bezel material: 18k rose gold

Posted at

Apr 9, 2026, 8:31 AM

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Audemars Piguet Royal Oak Offshore 42 Rose Gold / Grey / Alligator

Audemars Piguet - 26470OR.OO.A125CR.01 · $38,500

The Audemars Piguet Royal Oak Offshore 'Half Brick' features a solid 18k rose gold case with a rhodium dial and silver subdials, providing substantial luxury feel with daily wear comfort.

Condition: Phenomenal shape, running great
Case size: 42mm diameter
Movement: 3126/3840 Automatic

Posted at

Apr 8, 2026, 6:06 PM

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2015 Audemars Piguet Royal Oak Offshore Diver Black - 15710ST.OO.A002CA.01 - Full Set Extra Straps

Audemars Piguet - 15710ST.OO.A002CA.01 · $17,999

The listing features a 2015 Audemars Piguet Royal Oak Offshore Diver Black in excellent daily wear, with a mega tapisserie large hobnail dial and black lacquered gloss. It comes mounted on a black rubber vulcanized strap with an integrated look, as well as two extra high-quality Vagenari straps.

Condition: Excellent pre-owned condition
Case Size: 42mm diameter
Movement: Calibre 3120 with 60 hour power reserve
Water Resistance: 300m depth rating

Posted at

Apr 8, 2026, 5:48 PM

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2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

Audemars Piguet - 15720ST · $25,000

The Audemars Piguet Royal Oak Offshore Diver is a bold, modern dive watch that combines the rugged Offshore aesthetic with refined finishing. It features a vibrant blue dial with an inner rotating dive bezel and an in-house automatic movement for reliable performance.

Condition: Like new condition
Case size: 42mm diameter
Movement type: In-house automatic movement

Posted at

Apr 8, 2026, 9:33 AM

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