Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Ultra Thin Titanium / Gradient Blue

Reference 26586TI.OO.1240TI.01

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar Ultra Thin Titanium / Gradient Blue is a masterpiece of modern watchmaking. This stunning timepiece boasts a gradient blue dial that shifts seamlessly from deep navy to lighter blue, evoking the sky at dusk. The 41mm titanium case is both lightweight and durable, making it incredibly comfortable to wear. The open case back reveals the intricate movement within, showcasing Audemars Piguet's meticulous craftsmanship. The caliber 5133 automatic movement is a technical marvel, consisting of 256 parts and measuring just 0.35mm in thickness. This perpetual calendar system automatically adjusts for months with different lengths and leap years, making it perfect for those who appreciate both style and practicality. With its remarkable movement, stunning design, and practical features, this watch is a statement piece that embodies the essence of luxury, innovation, and timeless style.

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Key Features

41mm Titanium Case
Gradient Blue Dial
Caliber 5133 Automatic Movement
Perpetual Calendar System
20m Water Resistance
Sapphire Crystal
Limited Edition: 2023 units

Specifications

Brand

Audemars Piguet

Family

Royal Oak

Model

Royal Oak Perpetual Calendar Ultra Thin Titanium / Gradient Blue

Reference

26586TI.OO.1240TI.01

Movement

5133

Movement Features

Day / Night Indication, Hours, Minutes
Date, Day, Leap Year, Month, Perpetual Calendar

Case

41mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

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

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[US] Audemars Piguet Royal Oak Chronograph 39mm Panda Silver Dial - AP 26300ST Full Set

Audemars Piguet - 26300ST

Audemars Piguet Royal Oak Chronograph with a 39mm panda silver dial.

Condition: Full Set
Diameter: 39mm

Posted at

Jan 16, 2026, 4:55 PM

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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

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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 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

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1988 Seiko Quartz Chronograph “Royal Oak” Ref. 7A38-7280 | $305

Seiko - 7A38-7280 · $305

The watch is a two-tone, angular, Royal Oak-inspired chrono powered by one of the best quartz movements ever made. It has a slim, sharp design that's more refined than most people would expect from a Seiko. The 7A38-7280 is pure 80s Seiko flex with real horology behind it.

Condition: Good condition for its age with some markings on the case and bracelet, mineral crystal in good shape
Case Size: 37.3 x 41.5mm
Movement Type: quartz
Jewels: 15

Posted at

Jan 15, 2026, 5:15 PM

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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

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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

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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

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

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