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.
Buy Now on Jomashop
This is an affiliate link

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] 🌐Audemars Piguet Royal Oak Offshore Diver🔷 – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01

🌐Audemars Piguet Royal Oak Offshore Diver🔷 – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01

The Audemars Piguet Royal Oak Offshore Diver is a bold luxury sports watch that combines high-end Swiss watchmaking with true professional dive capability, featuring a 42mm stainless steel case and a white dial with blue accents.

  • Condition: Pre-owned (serviced)
  • Case size: 42mm diameter
  • Case material: stainless steel
  • Dial color: white with blue accents
Posted at
May 18, 2026, 4:50 PM
Active

Audemars Piguet Royal Oak Offshore Diver – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01 COMPLETE SET

The Audemars Piguet Royal Oak Offshore Diver is a luxury sports watch with true professional dive capability and a bold design. It features a 42mm stainless steel case, white dial, internal rotating dive bezel, and automatic movement.

  • Condition: just serviced and running flawlessly
  • Case size: 42mm diameter
  • Case material: stainless steel
  • Dial description: white with blue accents
Posted at
May 18, 2026, 1:56 PM
Active
[WTS] Audemars Piguet Royal Oak Jumbo 15202ST ♦️Lightly Used Undated♦️

Audemars Piguet Royal Oak Jumbo 15202ST ♦️Lightly Used Undated♦️

Audemars Piguet - 15202ST · $69,800
A lightly used Audemars Piguet Royal Oak Jumbo, available for sale. This watch is undated and comes with a full set including box and papers.

  • Condition: Lightly Used
  • Calibre: Calibre 65
  • Payment Methods: Bank Wire / Credit card (+4.9%) / Crypto
  • Shipping Details: Shipped from Singapore with tariffs/duties covered by seller
Posted at
May 18, 2026, 4:16 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Limited Edition 26290RO.OO.A001VE.01 ♦️Lightly Used 2010♦️

Audemars Piguet Royal Oak Offshore Limited Edition 26290RO.OO.A001VE.01 ♦️Lightly Used 2010♦️

Audemars Piguet Royal Oak Offshore Limited Edition from 2010, a unique and special timepiece.

  • Condition: lightly used
Posted at
May 18, 2026, 3:21 AM
Active
[WTS] 1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

Audemars Piguet - 56975ST · $21,800
This 1995 Audemars Piguet Royal Oak 120th Anniversary LE is a limited edition watch with a stainless steel case and blue dial. The watch features a quartz movement and comes with its original box and extract from the archives.

  • Condition: Minimal wear, excellent condition overall
  • Case material: Stainless steel
  • Diameter: 33mm
  • Lug width: 23.5mm
Posted at
May 17, 2026, 5:19 PM
Active
[WTS] [WTT] Audemars Piguet Royal Oak Selfwinding 39mm Black Dial 15300ST.OO.1220ST.03 - 9.9/10 - $34,500

[WTT] Audemars Piguet Royal Oak Selfwinding 39mm Black Dial 15300ST.OO.1220ST.03 - 9.9/10 - $34,500

A 2014 Audemars Piguet Royal Oak Selfwinding 39mm black dial watch in remarkable shape for its age, featuring a fully in-house movement and Genta-designed case.

  • Condition: 9.9/10 - virtually flawless with exceptional case and bracelet sharpness
  • Year: 2014
  • Case Condition: remarkable shape for a 2014 piece
Posted at
May 16, 2026, 2:30 PM
Active
[WTS] Audemars Piguet Royal Oak Chronograph Blue Dial 26320ST

Audemars Piguet Royal Oak Chronograph Blue Dial 26320ST

Audemars Piguet - 26320ST · $45,000
This Audemars Piguet Royal Oak Chronograph features a blue dial and comes with an OEM bracelet. It has a caliber 2385 automatic movement and is water resistant to 50M.

  • Condition: Very Good, minor signs of use on the case and minor patina/discoloration around the subdials
  • Case size: 41mm diameter
  • Lug to lug length: 52mm
  • Movement type: caliber 2385 automatic
Posted at
May 16, 2026, 1:33 PM
Active
[WTS] Audemars Piguet Royal Oak Dual Time 26124ST 39mm Blue Dial Complete Set

Audemars Piguet Royal Oak Dual Time 26124ST 39mm Blue Dial Complete Set

Audemars Piguet - 26124ST · $47,000
A very special Audemars Piguet Royal Oak Dual Time, produced for only two years. It comes in a 39mm size with a blue dial and fully linked AP bracelet.

  • Size: 39mm
  • Bracelet type: fully linked AP bracelet
Posted at
May 15, 2026, 9:16 AM
Active