Audemars Piguet Royal Oak Royal Oak Extra-Thin The Hour Glass

Reference 15205BA.OO.1240BA.01

About this watch

The Audemars Piguet Royal Oak Extra-Thin The Hour Glass is a masterpiece of fine watchmaking, boasting a harmonious blend of luxury and simplicity. Its yellow gold case radiates sophistication, while the unique green dial adorned with the signature Petite Tapisserie pattern adds depth and character to this stunning timepiece. At its heart lies the Audemars Piguet caliber AP 2121, renowned for its slim profile and powerful performance. With a limited production run of only 50 units worldwide, owning this watch is not just about having a luxury item but possessing a piece of horological history. Its comfort and elegance make it an excellent choice for both casual and formal settings.

Buy Now on Jomashop

This is an affiliate link

Key Features

Audemars Piguet caliber AP 2121
Yellow gold case with sapphire glass
Limited production run of only 50 units worldwide

Specifications

Brand

Audemars Piguet

Family

Royal Oak

Model

Royal Oak Extra-Thin The Hour Glass

Reference

15205BA.OO.1240BA.01

Movement

ap-2121

Movement Features

Hours, Minutes
Date

Case

Yellow Gold 39mm

Dial Color

Green

Crystal

Sapphire

Water Resistance

Current Listings

Audemars Piguet Royal Oak Offshore 15710ST Complete Set w/Box and Papers

Audemars Piguet - 15710ST · $16,995

This Audemars Piguet Royal Oak Offshore is a stainless steel watch with a white Mega Tapisserie dial and iconic octagonal bezel. It features an automatic Caliber 3120 movement, approximately 60-hour power reserve, and 300m water resistance.

Condition: Excellent Pre-Owned Condition
Case material: stainless steel
Dial type: white Mega Tapisserie
Bezel material: stainless steel with exposed hexagonal screws

Posted at

Feb 18, 2026, 3:52 PM

Active

View listing on r/WatchExchange

2024 Audemars Piguet Royal Oak Chronograph 26240CE — Brand New Condition, Box & Papers

Audemars Piguet - 26240CE · $112,000

The Audemars Piguet Royal Oak Chronograph showcases the iconic Royal Oak design executed in full black ceramic, delivering a bold yet refined presence. Featuring the signature “Grande Tapisserie” dial and in-house flyback chronograph movement, it blends cutting-edge materials with AP’s legendary craftsmanship.

Condition: Brand new
Case Material: Full black ceramic
Diameter: 41mm
Lug To Lug: 51.4mm

Posted at

Feb 18, 2026, 8:06 AM

Active

View listing on r/WatchExchange

2023 Audemars Piguet Royal Oak Offshore Chrono 42mm 26238ST Blue Dial - $39,850

Audemars Piguet - 26238ST.OO.A340CA.01 · $39,850

The seller is listing a 2023 Audemars Piguet Royal Oak Offshore Chronograph in stainless steel with a blue dial and black counters.

Condition: Excellent overall condition
Case size: 42mm diameter
Material: Stainless Steel
Strap material: Blue rubber and Black Calfskin leather

Posted at

Feb 17, 2026, 1:16 PM

Active

View listing on r/WatchExchange

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 a bold design and unmistakable Offshore character, featuring a blue ceramic build and 42 mm case.

Condition: Like new
Case size: 42 mm
Case material: Blue ceramic with titanium caseback
Bezel material: Ceramic

Posted at

Feb 17, 2026, 8:56 AM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore 44mm - 26401RO.OO.A002CA.02

Audemars Piguet - 26401RO.OO.A002CA.02

Size: 44mm case diameter

Posted at

Feb 16, 2026, 9:12 PM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore 26470IO – Titanium/Ceramic – Box & Papers – Random Serial (2020+) – Great Condition – 26,800 Shipped – Trades Welcome

Audemars Piguet - 26470IO · $26,800

This Audemars Piguet Royal Oak Offshore Ref. 26470IO features a titanium case, gray ceramic bezel, and AP automatic chronograph movement, giving it a rugged yet luxurious presence.

Condition: great
Case material: titanium
Bezel material: gray ceramic
Movement type: AP automatic chronograph movement

Posted at

Feb 15, 2026, 12:13 PM

Active

View listing on r/WatchExchange

Vintage Seiko Sports 150 – Alarm Chronograph – 😏 “Poor Man’s AP Royal Oak” 😏 – 7T34-7A10 – $245 Shipped

Seiko - 7T34-7A10 · $245

This vintage Seiko Sports 150 is a stylish and functional chronograph watch featuring date display, alarm functions, and powered by quartz movement. It's housed in an approximately 44mm case on its original bracelet.

Condition: Used with signs of wear and fading
Case Size: approximately 44mm
Strap Length: up to 8 inches

Posted at

Feb 14, 2026, 2:14 PM

Active

View listing on r/WatchExchange