Audemars Piguet Royal Oak Offshore Royal Oak OffShore 26378 Legacy

Reference 26378IO.OO.A001KE.01

About this watch

The Audemars Piguet Royal Oak Offshore 26378 Legacy is a masterpiece of horology, boasting an impressive 48.00 mm diameter and a blend of pink gold, titanium, and ceramic materials that exude luxury and durability. The intricate Méga Tapisserie dial pattern is a hallmark of the Royal Oak lineage, while the chronograph sub-dials provide functionality without overwhelming the aesthetic. At its heart lies the Audemars Piguet caliber AP 2326 / 2840, a self-winding movement that promises precision and reliability with its 28,800 vibrations per hour frequency. This limited edition watch, produced in only 1500 units, is not just a style statement but also a smart investment for collectors. With its robust design, versatile appeal, and exceptional craftsmanship, the Royal Oak Offshore 26378 Legacy embodies luxury, performance, and exclusivity in a single package.

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Market Price: $25,848

Key Features

48 mm diameter
Audemars Piguet caliber AP 2326 / 2840 movement
Méga Tapisserie dial pattern
Chronograph sub-dials
Pink gold, titanium, ceramic materials
Limited edition of 1500 units
Sapphire glass

Specifications

Brand

Audemars Piguet

Family

Royal Oak Offshore

Model

Royal Oak OffShore 26378 Legacy

Reference

26378IO.OO.A001KE.01

Movement

ap-2326-2840

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph

Case

48mm

Dial Color

Black

Crystal

Sapphire

Current Listings

[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Titanium AP Beast Gray Dial - 26170TI Full Set - $23,500

Audemars Piguet - 26170TI · $23,500

Audemars Piguet Royal Oak Offshore Chronograph in 42mm titanium case with gray dial.

Diameter: 42mm

Posted at

Mar 23, 2026, 4:24 PM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Steel “Batman” AP 26470ST - Full Set - $23,500

Audemars Piguet - 26470ST · $23,500

Audemars Piguet Royal Oak Offshore Chronograph 42mm Steel "Batman" AP 26470ST being sold as a full set.

Size: 42mm diameter
Full set: true

Posted at

Mar 23, 2026, 4:19 PM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Black Dial ‘Black Themes’ AP Beast - 26170ST Full Set - $22,875

Audemars Piguet - 26170ST · $22,875

This Audemars Piguet Royal Oak Offshore Chronograph is a 42mm watch with a black dial, part of the 'Black Themes' collection and known as the AP Beast.

Size: 42mm diameter

Posted at

Mar 23, 2026, 4:15 PM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP “Elephant” 26470ST - Full Set RECENTLY SERVICED - $21,500

Audemars Piguet - 26470ST · $21,500

A Royal Oak Offshore Chronograph with a 42mm case and the 'Elephant' dial.

Serviced: recently serviced
Set: full set

Posted at

Mar 23, 2026, 4:06 PM

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Audemars Piguet Royal Oak Offshore 'Dark Knight' 26470SO.OO.A002CA.01 - Ceramic Bezel Masterpiece

Audemars Piguet - 26470SO.OO.A002CA.01 · $26,599

The Audemars Piguet Royal Oak Offshore 'Dark Knight' is an iconic timepiece with a ceramic bezel, blending luxury and performance.

Condition: Excellent condition
Box: Outer and inner box
Warranty card: true
Shipping: FedEx overnight with full insurance to an authenticator or a hold-at-location FedEx

Posted at

Mar 23, 2026, 1:53 PM

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Audemars Piguet Royal Oak Offshore Chronograph 42mm Rose Gold "Full Brick" 26470OR.OO.1000OR.02

Audemars Piguet - 26470OR.OO.1000OR.02 · $63,500

This Audemars Piguet Royal Oak Offshore Chronograph is a 42mm rose gold timepiece featuring a chronograph function.

Condition: Very good, rated at 9.8/10
Case size: 42mm
Water resistance: 50m

Posted at

Mar 20, 2026, 10:32 AM

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Audemars Piguet Royal Oak Offshore Chronograph 42mm Rose Gold "Full Brick" 26470OR.OO.1000OR.02

Audemars Piguet - 26470OR.OO.1000OR.02

Case material: Rose Gold
Size: 42mm diameter
Watch type: Chronograph

Posted at

Mar 20, 2026, 10:31 AM

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2022 Audemars Piguet Royal Oak Offshore Chrono "Smoked Tan" - 26420SO.OO.A600CA.01 - Full Set 2 AP Straps, Extended Warranty

Audemars Piguet - 26420SO.OO.A600CA.01 · $34,000

A beautifully designed 43mm Royal Oak Offshore Chronograph by Audemars Piguet, featuring a stainless steel case with black ceramic details and a smoked tan fume dial.

Condition: Very excellent preowned condition
Case Size: 43mm
Case Material: Stainless steel and Black Ceramic
Movement: Audemars Piguet Caliber 4401 (automatic flyback chronograph)

Posted at

Mar 19, 2026, 7:05 PM

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