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
20

Current Listings

[WTS] AP Royal Oak 56303ST ($18,750)

AP Royal Oak 56303ST ($18,750)

Audemars Piguet - 56303ST · $18,750
The watch is a white dial Royal Oak from Audemars Piguet, featuring a quartz movement and 33mm case size. It has a nice patina on the hour markers and hands.

  • Condition: pre-owned with patina
  • Size: 33mm diameter
  • Movement type: quartz
Posted at
Apr 17, 2026, 12:59 PM
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 with a bold design and ceramic build.

  • Condition: Like new
  • Movement caliber: Calibre 4404
  • Case size: 42 mm diameter
  • Case thickness: 15.3 mm
Posted at
Apr 17, 2026, 8:26 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 watch is a 44mm rose gold and black ceramic masterpiece from AP with a smoked grey dial.

  • Condition: like new condition
  • Case material: ceramic
  • Bezel material: 18k Rose Gold
  • Dial color: smoked grey
Posted at
Apr 17, 2026, 8:25 AM
Active
[WTS] 2020 Audemars Piguet Royal Oak Offshore Diver – "ADMIRAL" – Ref. 15710ST.OO.A010CA.01

2020 Audemars Piguet Royal Oak Offshore Diver – "ADMIRAL" – Ref. 15710ST.OO.A010CA.01

The Audemars Piguet Royal Oak Offshore Diver features a 42mm stainless steel case with the signature Royal Oak Offshore architecture and integrated crown guards.

  • Condition: Pre-owned, recently serviced
  • Case Size: 42mm diameter
  • Case Material: Stainless Steel
  • Dial Color: White with Blue Accents
Posted at
Apr 16, 2026, 5:30 PM
Active
[WTS] 2015 Audemars Piguet Royal Oak Offshore 26470ST “Safari” Full Set - Extra Strap $21,075

2015 Audemars Piguet Royal Oak Offshore 26470ST “Safari” Full Set - Extra Strap $21,075

The Audemars Piguet Royal Oak Offshore 'Safari' features a warm ivory dial with brown subdials and a matching brown strap, creating a rugged yet refined look.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm diameter
  • Movement: Automatic Chronograph
  • Dial: Ivory 'Méga Tapisserie' with brown subdials
Posted at
Apr 16, 2026, 3:11 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore “Vampire” 26470ST 2017 Papers + AP Case + extra strap $20,599

Audemars Piguet Royal Oak Offshore “Vampire” 26470ST 2017 Papers + AP Case + extra strap $20,599

Audemars Piguet - 26470ST · $20,599
The 'Vampire' Royal Oak Offshore configuration features a deep black dial, bold red accents, and ceramic bezel for an aggressive look. This 2017 example presents well with Audemars Piguet papers, AP case, and multiple strap options.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm
  • Case Material: Stainless Steel
  • Movement: Automatic Chronograph
Posted at
Apr 16, 2026, 3:07 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Titanium "Beast" 25721TI - Full Set with Box & Papers

Audemars Piguet Royal Oak Offshore Titanium "Beast" 25721TI - Full Set with Box & Papers

The seller is listing a black dial Audemars Piguet Royal Oak Offshore 'Beast' in titanium that they purchased from eBay but don't want due to it being too big on their wrist. It comes as a full set with box and papers.

  • Condition: Good
  • Case material: Titanium
  • Bracelet material: Titanium
  • Size: 42mm diameter
Posted at
Apr 15, 2026, 8:19 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore 26170ST, 2011 $15.4k

Audemars Piguet Royal Oak Offshore 26170ST, 2011 $15.4k

Audemars Piguet - 26170ST · $15,400
This is a Royal Oak Offshore watch from Audemars Piguet, with a stainless steel case and a sporty design. It features a 2011 model reference number 26170ST.

  • Condition: Preowned
  • Shipping: $100 + tariffs/duties included in price
  • Payment Methods: Wire or Credit Card (+4.9% & 4 days clearance)
  • References: 290+ verified sales, @worthytimeholdings on Instagram, Worthytime Holdings on Google page, and u/pacodo on r/tudor
Posted at
Apr 15, 2026, 10:36 AM
Active
[WTS] 2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

Audemars Piguet - 15720ST · $25,000
The Audemars Piguet Royal Oak Offshore Diver combines the rugged Offshore aesthetic with refined finishing, featuring a vibrant blue dial and an inner rotating dive bezel. It has a stainless steel case paired with AP's interchangeable strap system and an in-house automatic movement for reliable performance.

  • Condition: Like new condition
  • Case diameter: 42mm
  • Lug to lug: 52mm
  • Thickness: 14.2mm
Posted at
Apr 15, 2026, 9:34 AM
Active