Audemars Piguet Royal Oak Royal Oak 15400 Stainless Steel / Grey

Reference 15400ST.OO.1220ST.04

About this watch

The Audemars Piguet Royal Oak 15400ST.OO.1220ST.04 is a masterpiece of luxury watchmaking that embodies sophistication and intricate engineering marvels. With its bold 41mm diameter stainless steel case, the watch strikes a perfect balance between presence and wearability. The integrated bracelet features brushed and polished surfaces that create a stunning contrast, catching the light beautifully. The dial's Grande Tapisserie pattern is a signature element that sets this watch apart from others in its class, with a grey color exuding sophistication and intricate texture adding depth and character. The AP 3120 automatic movement boasts precision timekeeping and a 60-hour power reserve, making it a reliable companion for everyday wear. With a water resistance of 50 meters, the Royal Oak 15400 can handle splashes and brief immersion. This watch is not just a statement but also an investment in quality and craftsmanship, with luxury watches from reputable brands like Audemars Piguet retaining value over time.
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MSRP: $18,400
Market Price: $31,362

Key Features

  • 41mm diameter stainless steel case
  • Integrated bracelet with brushed and polished surfaces
  • Grande Tapisserie dial pattern with grey color
  • AP 3120 automatic movement with precision timekeeping
  • 60-hour power reserve
  • Water resistance of 50 meters
  • In-house caliber AP 3120 with 280 total parts

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak 15400 Stainless Steel / Grey
Reference
15400ST.OO.1220ST.04
Movement
ap-3120
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 41mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
50

Current Listings

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

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.

  • Condition: Brand new condition
  • Size: 41mm diameter
  • Length: 51.4mm lug to lug
  • Thickness: 12.4mm thick
Posted at
Feb 11, 2026, 8:06 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

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

The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release, featuring a bold design and unmistakable Offshore character with a 42mm case and full ceramic build.

  • Condition: Like new with no signs of wear
  • Case size: 42mm
  • Case thickness: 15.3mm
  • Water resistance: 100m (10 ATM)
Posted at
Feb 10, 2026, 9:13 AM
Active
[WTS] Vintage Seiko "Royal Oak" in perfect working order and good condition allover. Only watch no Box Papers. Asking 650$ including shipping

Vintage Seiko "Royal Oak" in perfect working order and good condition allover. Only watch no Box Papers. Asking 650$ including shipping

Seiko · $650
a vintage Seiko watch in good condition, described as perfect working order.

  • Condition: good
Posted at
Feb 9, 2026, 3:50 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore 25940SK Rubberclad

Audemars Piguet Royal Oak Offshore 25940SK Rubberclad

A Royal Oak Offshore watch with a Rubberclad design, it's in good working condition and includes a Horus strap.

  • Condition: Pre-Owned
  • Year: UNK
  • Contents: Watch Only
  • Strap value: 15,000
Posted at
Feb 8, 2026, 7:42 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore 26176FO Bumblebee

Audemars Piguet Royal Oak Offshore 26176FO Bumblebee

Audemars Piguet - 26176FO · $16,000
This Audemars Piguet Royal Oak Offshore Bumble Bee is a pre-owned watch that runs and functions with no issues.

  • Condition: Pre-Owned
  • Location: Located in Tennessee
Posted at
Feb 8, 2026, 7:40 PM
Active
[WTS] Audemars Piguet Royal Oak 15510OR 2022 50th Anniversary Full Set

Audemars Piguet Royal Oak 15510OR 2022 50th Anniversary Full Set

Audemars Piguet - 15510OR · $95,000
This is an Audemars Piguet Royal Oak 50th Anniversary watch from 2022, a significant milestone model. It comes with all original box and papers, and the seller is based in Tennessee.

  • Condition: Excellent
  • Year Of Production: 2022
Posted at
Feb 8, 2026, 7:00 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore - $14,750

Audemars Piguet Royal Oak Offshore - $14,750

This is a white dial Audemars Piguet Royal Oak Offshore for sale. The watch has very few marks, which take away from its excellent condition.

  • Condition: Very Good
  • Payment Methods: crypto, Zelle, Venmo
Posted at
Feb 7, 2026, 4:44 PM
Active
[WTS] Vintage Seiko Sports 150 – Alarm Chronograph – 😏 “Poor Man’s AP Royal Oak” 😏 – 7T34-7A10 – $245 Shipped

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 quartz-powered chronograph watch with date display, alarm functions, and an approximately 44mm case. It comes on its original bracelet and features clear signs of wear adding to its vintage character.

  • Condition: Poor condition with signs of wear and fading
  • Case size: approximately 44mm
  • Bracelet size range: fits wrists up to 8 inches
Posted at
Feb 7, 2026, 3:14 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

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

This 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph features a smoked grey dial, mechanical movement, and is water resistant up to 100M.

  • Condition: Like new
  • Case Size: 44mm diameter
  • Movement Caliber: 3126/3840
  • Power Reserve: 50 hours
Posted at
Feb 6, 2026, 8:22 AM
Active