Audemars Piguet Royal Oak Royal Oak Perpetual Calendar 38 Stainless Steel / Light Blue

Reference 26684ST.OO.1356ST.01

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar Automatic 26684ST.OO.1356ST.01 debuted in 2025. This reference is housed in a stainless steel case of 38 mm with a thickness of 9.4 mm. Both front and back are fitted with glareproof sapphire crystals, and water resistance is rated at 50 meters. The integrated stainless steel bracelet is secured with an AP folding clasp. The dial is light blue with the signature Grande Tapisserie pattern. It features tone-on-tone subsidiary dials for the perpetual calendar indications, complemented by white gold applied hour markers and hands with luminescent coating, and a silvery-grey inner bezel. This model is powered by the self-winding caliber 7136, a movement measuring 29.6 mm in diameter and 4.1 mm in height, composed of 413 parts with 41 jewels. It operates at a frequency of 28,800 vph (4 Hz) and has a power reserve of 55 hours. Functions include hours, minutes, perpetual calendar with day, date, month, leap year, and astronomical moon phase. The caliber incorporates three patented mechanisms and is adjusted entirely via the crown, without the need for correction tools.
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Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Perpetual Calendar 38 Stainless Steel / Light Blue
Reference
26684ST.OO.1356ST.01
Movement
ap-7136
Movement Features
  • Hours, Minutes
  • Date, Day, Leap Year, Month
  • Moonphase
Case
Stainless Steel 38mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] 2024 Audemars Piguet Royal Oak Diamond Bezel 15551ST — Like New Condition, Box & Papers

2024 Audemars Piguet Royal Oak Diamond Bezel 15551ST — Like New Condition, Box & Papers

Audemars Piguet - 15551ST · $47,000
The Audemars Piguet Royal Oak Diamond Bezel combines the collection’s signature sporty elegance with a refined touch of luxury, featuring an iconic octagonal bezel set with brilliant-cut diamonds and a "Grande Tapisserie" silver-toned dial.

  • Condition: Like new condition
  • Dimensions: 37mm diameter, 45mm lug to lug, and 9.1mm thick
  • Includes: Original box & papers
  • Shipping: Free shipping to US addresses (international at additional cost)
Posted at
Nov 3, 2025, 8:02 AM
Active
[WTS] Seiko AP Royal Oak MOD

Seiko AP Royal Oak MOD

This is a modified version of the Seiko AP Royal Oak, which is being sold as part of a sale.

  • Condition: Brand new
  • Payment methods: Venmo, PayPal
Posted at
Nov 1, 2025, 6:06 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph "Vampire" - 42mm - Watch and Box

Audemars Piguet Royal Oak Offshore Chronograph "Vampire" - 42mm - Watch and Box

This Audemars Piguet Royal Oak Offshore Chronograph, known as the “Vampire” has a black dial and blood red accents. The watch is available in 42mm.

  • Condition: Great pre-owned condition with very little faint signs of wear
  • Case size: 42mm diameter
  • Materials included: Watch, inner box, outer box, branded polish cloth
Posted at
Oct 31, 2025, 3:10 PM
Active
[WTS] 2023 Audemars Piguet Royal Oak Chronograph 41mm 50th Anniversary 26240ST.OO.1320ST.07 Full Set Mint

2023 Audemars Piguet Royal Oak Chronograph 41mm 50th Anniversary 26240ST.OO.1320ST.07 Full Set Mint

The Audemars Piguet Royal Oak Chronograph features a stainless steel case, silver/white 'Grande Tapisserie' dial and integrated bracelet, powered by the in-house Caliber 4401 with flyback chronograph functionality, 70-hour power reserve and a sapphire caseback.

  • Condition: Excellent
  • Case size: 41mm
  • Water resistance: unknown
  • Movement: in-house Caliber 4401
Posted at
Oct 31, 2025, 10:46 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore “Vampire” 26470ST – Full Set + 2 Straps – Excellent Condition (2017) – Dallas TX

Audemars Piguet Royal Oak Offshore “Vampire” 26470ST – Full Set + 2 Straps – Excellent Condition (2017) – Dallas TX

The Audemars Piguet Royal Oak Offshore Chronograph features a striking black Mega Tapisserie dial with red accents, and comes with additional details such as an AP Calibre 3126/3840 automatic chronograph and 42mm stainless steel case.

  • Condition: 9.9/10 - near mint
  • Case size: 42mm diameter
  • Movement: AP Calibre 3126/3840 automatic chronograph
  • Power reserve: ~50 hour
Posted at
Oct 31, 2025, 10:45 AM
Active