Audemars Piguet Royal Oak Offshore Royal Oak Offshore Perpetual Calendar Platinum

Reference 26209PT.OO.D305CR.01

About this watch

The Audemars Piguet Royal Oak Offshore Perpetual Calendar Platinum is a masterpiece of horology, combining exceptional technical excellence with luxurious design. Its platinum case exudes understated elegance, while the blue dial's Tapisserie pattern adds depth and texture. The watch boasts a perpetual calendar, chronograph function, moonphase indicator, and 100m water resistance. With only 10 units produced, this limited edition is a collector's item that could appreciate in value over time. Perfect for those who value craftsmanship, exclusivity, and sophistication, the Royal Oak Offshore Perpetual Calendar Platinum is a statement piece that elevates any outfit. Its intricate movement houses 436 parts, including 50 jewels, ensuring precision and reliability. Regular maintenance is crucial to keep this complex mechanism running smoothly.

Buy Now on Jomashop

This is an affiliate link

Key Features

Platinum case with lustrous finish
Blue dial with Tapisserie pattern
Perpetual calendar functionality
Chronograph function with moonphase indicator
100m water resistance

Specifications

Brand

Audemars Piguet

Family

Royal Oak Offshore

Model

Royal Oak Offshore Perpetual Calendar Platinum

Reference

26209PT.OO.D305CR.01

Movement

ap-2326-2839

Movement Features

Hours, Minutes, Small Seconds
Date, Day, Leap Year, Month, Perpetual Calendar
Chronograph
Moonphase

Case

42mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

100

Current Listings

Audemars Piguet Royal Oak Offshore 26170ST.OO.D091CR.01

Audemars Piguet - 26170ST.OO.D091CR.01 · $18,699

A classic Royal Oak Offshore reference with a 42mm stainless steel case and iconic octagonal bezel. The watch features an automatic chronograph movement, date display at 3 o'clock, and comes complete with the original box and papers.

Condition: Excellent, light signs of careful wear
Case size: 42mm diameter
Movement type: Automatic chronograph

Posted at

Jan 17, 2026, 8:23 PM

Active

View listing on r/WatchExchange

AP Royal Oak Offshore Box & Papers Great Condition 26420TI.OO.A027CA.01

Audemars Piguet - 26420TI.OO.A027CA.01 · $27,900

This is the stunning Titanium 43mm model with the blue dial and matching rubber strap — lightweight, sporty, and incredibly comfortable on the wrist.

Condition: Excellent overall
Case material: Titanium
Diameter: 43mm
Straps included: Blue rubber strap

Posted at

Jan 16, 2026, 3:49 PM

Active

View listing on r/WatchExchange

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 is a strong and beautiful rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph with a 44mm case size, smoked grey dial, and features like chronograph and date.

Condition: like new
Case size: 44mm diameter
Water resistance: 100m (10ATM) depth rating
Movement caliber: 3126/3840

Posted at

Jan 16, 2026, 8:10 AM

Active

View listing on r/WatchExchange

2021 Audemars Piguet Royal Oak Offshore Chrono "The Beast" 42mm 26238ST Blue Dial - $36,900

Audemars Piguet - 26238ST.OO.2000ST.01 · $36,900

2021 Audemars Piguet Royal Oak Offshore Chronograph 42mm with a blue dial and stainless steel case.

Box: true
Papers: true
Manual: true

Posted at

Jan 15, 2026, 3:27 PM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore "Vampire" 26470ST - Mint

Audemars Piguet - 26470ST.OO.A101CR.01 · $20,895

The watch is an Audemars Piguet Royal Oak Offshore with a black Méga Tapisserie dial and blood-red chronograph accents, powered by the Calibre 3126/3840 self-winding movement.

Condition: Excellent
Movement: Calibre 3126/3840 self-winding (automatic)
Functions: chronograph, date, hours/minutes/seconds, small seconds
Power reserve: 50 hours

Posted at

Jan 13, 2026, 11:21 AM

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 · $123,995

This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 features a bold design, ceramic build, and in-house flyback chronograph movement. The 42 mm case delivers classic power in a modern form.

Condition: like new
Case size: 42 mm
Movement caliber: Calibre 4404
Power reserve: 70 hours

Posted at

Jan 13, 2026, 8:25 AM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore Blue Dial - 25721ST.OO.1000ST.09 The BEAST!

Audemars Piguet - 25721ST.OO.1000ST.09 · $21,000

The Audemars Piguet Royal Oak Offshore has a blue dial, white accents, and full bracelet giving it a unique presence.

Box: true

Posted at

Jan 10, 2026, 9:41 AM

Active

View listing on r/WatchExchange

2017 Audemars Piguet Royal Oak Offshore Diver 42MM White Dial Rubber Strap 15710ST.OO.A002CA.02

Audemars Piguet - 15710ST.OO.A002CA.02 · $194,900

This is a 2017 Audemars Piguet Royal Oak Offshore Diver in stainless steel with a white dial, on a rubber strap.

Condition: near-mint condition with almost zero wear
Case size: 42mm
Case material: stainless steel
Dial color: white

Posted at

Jan 9, 2026, 10:15 PM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore 43MM “Smoked Taupe” - Ref 26420SO.OO.A600CA.01 (EXCELLENT 2022 COMPLETE SET)

Audemars Piguet - 26420SO.OO.A600CA.01 · $31,650

A 43MM Audemars Piguet Royal Oak Offshore in smoked taupe, featuring a factory warranty intact until 2027 and included with outer box, inner box, manuals, and unworn strap.

Condition: Excellent pre-owned
Case size: 43mm diameter
Water resistance: 50m depth rating

Posted at

Jan 9, 2026, 5:09 PM

Active

View listing on r/WatchExchange