Audemars Piguet Royal Oak Royal Oak Extra-Thin Only Watch 2021

Reference 15202XT.GG.1240XT.99

About this watch

The Audemars Piguet Royal Oak Extra-Thin Only Watch 2021 is a masterpiece of horology, blending elegance, technical prowess, and exclusivity in a unique blend that commands attention. Its iconic design features the signature Petite Tapisserie pattern on the dial, complemented by a grey colorway that gives it a modern yet classic appeal. The watch's use of titanium and BMG (Bulk Metallic Glass) contributes to its durability and sophisticated look, while the Audemars Piguet caliber AP 2121 movement showcases engineering excellence with its slim profile of just 3.05mm. This self-winding movement is automatic, winding itself with the movement of your wrist, and boasts a power reserve of 40 hours and a frequency of 21,600 vibrations per hour. With a water resistance of 50 meters, this watch is suitable for everyday wear, although not designed for diving. Its limited production status makes it highly collectible and a potential investment piece, with luxury watches from renowned brands like Audemars Piguet often holding their value well and appreciating over time.

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Key Features

Audemars Piguet caliber AP 2121 movement
Titanium and BMG case for durability and sophistication
Petite Tapisserie pattern on the dial
50-meter water resistance
Grey colorway with classic appeal
Slim profile of just 3.05mm
Automatic self-winding mechanism

Specifications

Brand

Audemars Piguet

Family

Royal Oak

Model

Royal Oak Extra-Thin Only Watch 2021

Reference

15202XT.GG.1240XT.99

Movement

ap-2121

Movement Features

Hours, Minutes
Date

Case

39mm

Dial Color

Grey

Crystal

Sapphire

Water Resistance

Current Listings

Audemars Piguet Royal Oak Offshore "SAFARI" w/ 18-Month Warranty & 3 Straps

Audemars Piguet - 26020ST.OO.D091CR.01 · $17,895

This Audemars Piguet Royal Oak Offshore 'Safari' features a cream-colored dial with a 'Méga Tapisserie' pattern and luminous hands, powered by AP's in-house self-winding mechanical movement.

Condition: Excellent with minor blemish on the bezel
Movement type: In-house self-winding mechanical
Power reserve: 40 hours
Warranty: 18-month warranty from Horologix

Posted at

Nov 6, 2025, 11:11 AM

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Audemars Piguet Royal Oak Chronograph Yellow Gold Green Dial 41mm 26331BA.OO.1220BA.02

Audemars Piguet - 26331BA.OO.1220BA.02 · $199,000

This stunning Royal Oak Chronograph has a yellow gold case with a rich green dial, one of only 125 pieces ever made.

Condition: like new
Movement type: Mechanical (Automatic)
Jewels: 37
Power reserve hours: 40

Posted at

Nov 6, 2025, 8:44 AM

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Audemars Piguet Royal Oak Offshore 26400SO Panda Dial 44mm 2016 Full Set

Audemars Piguet - 26400SO.OO.A002CA.01 | 26400SO · $20,990

This is an excellent example of a very wearable and versatile 44mm Offshore model with a stainless steel case, automatic chronograph movement, and 50 hour power reserve.

Condition: Excellent, near mint pre-owned condition
Case size: 44mm diameter
Movement: Calibre 3126/3840
Power reserve: 50 hour power reserve

Posted at

Nov 5, 2025, 12:57 PM

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Audemars Piguet Royal Oak 15500ST Black Dial 41mm Steel 2020 Full Set

Audemars Piguet - 15500ST.OO.1220ST.03 | 15500ST · $38,450

The Audemars Piguet Royal Oak 15500ST features a classic 41mm stainless steel case with a black Grande Tapisserie dial, making it suitable for various occasions.

Condition: Excellent pre-owned condition with very faint wear on the case, bezel, and bracelet consistent with careful use
Case material: stainless steel
Diameter: 41mm
Movement type: automatic

Posted at

Nov 5, 2025, 12:34 PM

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2017 Audemars Piguet Royal Oak 41 White 15400ST — Like New Condition, Inner Box & Papers

Audemars Piguet - 15400ST · $33,000

The Audemars Piguet Royal Oak 41mm White Dial 15400ST embodies the essence of modern luxury with its distinctive design and impeccable craftsmanship, featuring a signature white dial, applied hour markers, and integrated stainless steel bracelet.

Condition: Like new condition
Diameter: 41mm
Lug to lug length: 51mm
Thickness: 9.8mm

Posted at

Nov 5, 2025, 8:01 AM

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2024 Audemars Piguet Royal Oak Diamond Bezel 15551ST — Like New Condition, Box & Papers

Audemars Piguet - 15551ST · $47,000

The Audemars Piguet Royal Oak Diamond Bezel combines the collection’s signature sporty elegance with a refined touch of luxury, featuring an iconic octagonal bezel set with brilliant-cut diamonds and a "Grande Tapisserie" silver-toned dial.

Condition: Like new condition
Dimensions: 37mm diameter, 45mm lug to lug, and 9.1mm thick
Includes: Original box & papers
Shipping: Free shipping to US addresses (international at additional cost)

Posted at

Nov 3, 2025, 8:02 AM

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Seiko AP Royal Oak MOD

Seiko - AP Royal Oak MOD · $215

This is a modified version of the Seiko AP Royal Oak, which is being sold as part of a sale.

Condition: Brand new
Payment methods: Venmo, PayPal

Posted at

Nov 1, 2025, 6:06 PM

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Audemars Piguet Royal Oak Offshore Chronograph "Vampire" - 42mm - Watch and Box

Audemars Piguet - Royal Oak Offshore Chronograph · $19,498

This Audemars Piguet Royal Oak Offshore Chronograph, known as the “Vampire” has a black dial and blood red accents. The watch is available in 42mm.

Condition: Great pre-owned condition with very little faint signs of wear
Case size: 42mm diameter
Materials included: Watch, inner box, outer box, branded polish cloth

Posted at

Oct 31, 2025, 3:10 PM

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2023 Audemars Piguet Royal Oak Chronograph 41mm 50th Anniversary 26240ST.OO.1320ST.07 Full Set Mint

Audemars Piguet - 26240ST.OO.1320ST.07 · $51,000

The Audemars Piguet Royal Oak Chronograph features a stainless steel case, silver/white 'Grande Tapisserie' dial and integrated bracelet, powered by the in-house Caliber 4401 with flyback chronograph functionality, 70-hour power reserve and a sapphire caseback.

Condition: Excellent
Case size: 41mm
Water resistance: unknown
Movement: in-house Caliber 4401

Posted at

Oct 31, 2025, 10:46 AM

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