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

AP Royal Oak Offshore Diver 15706AU – Forged Carbon – 42mm – Watch Only – Good Condition – 18,800 Shipped – Trades Welcome

Audemars Piguet - 15706AU · $18,800

The Audemars Piguet Royal Oak Offshore Diver Ref. 15706AU is a forged-carbon diver that stands out as one of the most distinctive and collectible ROO variants ever made.

Condition: good condition overall with light carbon wear
Case size: 42mm
Material: forged carbon case
Bezel material: black ceramic bezel

Posted at

Feb 1, 2026, 2:03 PM

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Audemars Piguet Royal Oak Offshore Diver 15710ST Box and Papers

Audemars Piguet - 15710ST.OO.A002CA.02 · $17,500

The Audemars Piguet Royal Oak Offshore Diver is a fully capable professional dive watch with a 42mm stainless steel case and a crisp white dial. It features a silver-toned rotating inner bezel with a diving scale and is powered by the in-house caliber 3120 self-winding movement with a 60-hour power reserve.

Condition: Excellent
Case size: 42mm
Case thickness: 14.1mm
Water resistance: 300m

Posted at

Jan 30, 2026, 2:13 PM

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

Audemars Piguet - 26405NR.OO.A002CA.01 · $47,495

This watch presents a strong and beautiful rose gold and black ceramic design with a smoked grey dial.

Condition: like new
Case size: 44mm diameter
Movement: Mechanical (Automatic) Movement Caliber 3126/3840
Jewels: 59

Posted at

Jan 30, 2026, 8:47 AM

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Audemars Piguet Royal Oak Offshore Chronograph Navy

Audemars Piguet - 26470ST.OO.A027CA.01 · $21,495

Up for sale is my Audemars Piguet Royal Oak Offshore Chronograph Navy, reference 26470ST.OO.A027CA.01. This watch features a stainless steel case with a blue dial and matching blue rubber strap.

Condition: Excellent
Case Material: stainless steel
Band: blue rubber strap

Posted at

Jan 29, 2026, 11:37 AM

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

Audemars Piguet - 26238CD.OO.1300CD.01 · $123,995

The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with an in-house flyback chronograph movement, precision, and a 70-hour reserve. It features a bold design, unmistakable Offshore character, and a 42 mm case.

Condition: like new
Movement: Calibre 4404
Case Size: 42 mm
Case Material: Blue ceramic with titanium caseback

Posted at

Jan 27, 2026, 8:18 AM

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Audemars Piguet Royal Oak Offshore Chronograph – Titanium $31,699

Audemars Piguet - 26420TI.OO.A027CA.01 · $31,699

This Audemars Piguet Royal Oak Offshore Chronograph in Grade 5 titanium features a blue Méga Tapisserie dial and is powered by AP's in-house Calibre 4401 flyback chronograph. It has a bold wrist presence, remains lightweight and wearable, and offers 100m water resistance.

Condition: Very good overall condition
Diameter: 43mm
Case material: Grade 5 titanium
Water resistance: 100m

Posted at

Jan 25, 2026, 7:55 PM

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Audemars Piguet Royal Oak Offshore 18K Rose Gold “Rhodium” 42MM - Ref 26470OR (LIKE NEW 2018 COMPLETE SET)

Audemars Piguet - 26470OR · $33,700

A 42MM Audemars Piguet Royal Oak Offshore in 18K Rose Gold 'Rhodium' is being sold. The watch is in excellent condition and comes with its complete set.

Condition: Immaculate, unpolished condition; could pass as new with handling marks
Case size: 42mm
Materials: 18K Rose Gold
Year: 2018

Posted at

Jan 23, 2026, 4:43 PM

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

Audemars Piguet - 26405NR.OO.A002CA.01 · $47,495

This 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph features a smoked grey Mega Tapisserie dial and comes with its outer box, inner wood box, booklets and warranty card.

Condition: like new
Case material: ceramic
Bezel material: 18k rose gold
Diameter: 44mm

Posted at

Jan 23, 2026, 8:57 AM

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SOLD FS: Audemars Piguet Royal Oak Offshore "Themes" 26170ST.OO.1000ST.08

Audemars Piguet - 26170ST.OO.1000ST.08

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Apr 4, 2025, 1:24 PM

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