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.

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

Current Listings

Audemars Piguet Royal Oak Chronograph 26277OR 39mm Rose Gold Blue Dial

Audemars Piguet - 26277OR · $41,500

A rare limited edition Royal Oak Chronograph in rose gold with a blue dial and diamond indices.

Condition: Pre-owned, running well, no need for service
Case material: Rose Gold
Diameter: 39mm

Posted at

May 22, 2026, 9:02 AM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore Chronograph, Black Dial, Rubber with DB buckle 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️

Audemars Piguet - 26170ST.OO.D101CR.03 · $18,000

This is a Black Dial Audemars Piguet Royal Oak Offshore Chronograph with Rubber strap and DB buckle.

Condition: Lightly Used
Movement: Calibre 65
Buckle material: DB (Dual-Blade)
Case material: Assumed to be stainless steel, but not specified

Posted at

May 22, 2026, 4:36 AM

Active

View listing on r/WatchExchange

AUDEMARS PIGUET AP Royal Oak Offshore 42mm "ELEPHANT” 26470ST.OO.A104CR.01 Automatic Chronograph FULL COMPLETE SET with BOX & PAPERS

Audemars Piguet - 26470ST.OO.A104CR.01

Audemars Piguet AP Royal Oak Offshore 42mm "Elephant" is an automatic chronograph watch.

Size: 42mm
Water Resistance: 100m depth rating

Posted at

May 20, 2026, 10:16 PM

Active

View listing on r/WatchExchange

AP AUDEMARS PIGUET Royal Oak Offshore "BATMAN" 26470ST.OO.A028CR.01 Automatic Chronograph FULL COMPLETE SET with BOX & PAPERS

Audemars Piguet - 26470ST.OO.A028CR.01 · $69,500

Movement: Automatic Chronograph

Posted at

May 20, 2026, 5:12 PM

Active

View listing on r/WatchExchange

[US] Audemars Piguet Royal Oak Chronograph 41mm Stainless Steel White Silver Dial AP 26320st - Full Set - $39,000

Audemars Piguet - 26320ST.OO.1220ST.01 · $39,000

For sale is a Audemars Piguet Royal Oak Chronograph in stainless steel with white silver dial.

Material: stainless steel

Posted at

May 20, 2026, 3:25 PM

Active

View listing on r/WatchExchange

[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue Dial AP 26471SR - $35,250

Audemars Piguet - 26471SR · $35,250

Audemars Piguet Royal Oak Offshore Chronograph 42mm Blue Dial available for sale.

Size: 42mm diameter

Posted at

May 19, 2026, 12:16 PM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Grande Tapisserie 26315OR.ZZ.1256OR.01 ♦️Lightly Used 2021♦️

Audemars Piguet - 26315OR.ZZ.1256OR.01 · $81,300

The Audemars Piguet Royal Oak Grande Tapisserie is a high-end watch with a distinctive tapisserie dial pattern, made in 2021.

Condition: Lightly Used
Year of production: 2021
Calibre: Calibre 65
Box and papers included: yes

Posted at

May 19, 2026, 2:44 AM

Active

View listing on r/WatchExchange

🌐Audemars Piguet Royal Oak Offshore Diver🔷 – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01

Audemars Piguet - 15710ST.OO.A010CA.01 · $19,198

The Audemars Piguet Royal Oak Offshore Diver is a bold luxury sports watch that combines high-end Swiss watchmaking with true professional dive capability, featuring a 42mm stainless steel case and a white dial with blue accents.

Condition: Pre-owned (serviced)
Case size: 42mm diameter
Case material: stainless steel
Dial color: white with blue accents

Posted at

May 18, 2026, 4:50 PM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore Diver – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01 COMPLETE SET

Audemars Piguet - 15710ST.OO.A010CA.01 · $19,598

The Audemars Piguet Royal Oak Offshore Diver is a luxury sports watch with true professional dive capability and a bold design. It features a 42mm stainless steel case, white dial, internal rotating dive bezel, and automatic movement.

Condition: just serviced and running flawlessly
Case size: 42mm diameter
Case material: stainless steel
Dial description: white with blue accents

Posted at

May 18, 2026, 1:56 PM

Active

View listing on r/WatchExchange