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

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A 2021 Audemars Piguet Royal Oak watch with a stainless steel case, black dial, and a 33mm size.

  • Condition: Excellent
  • Case Material: stainless steel
  • Dial Color: black
Posted at
Mar 19, 2025, 12:06 AM
Active
Audemars Piguet 56175ST Blue Dial Quartz Royal Oak

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This is an Audemars Piguet Royal Oak Quartz model with a dark blue dial and stainless steel case. It features a longitudinally brushed bezel and integrated stainless steel bracelet.

  • Case size: 33mm
  • Material: stainless steel
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Mar 17, 2025, 1:22 PM
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  • Condition: Very Good
  • Water Resistance: 150m
Posted at
Mar 17, 2025, 10:34 AM
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AP Royal Oak Half Brick Ref:26470OR, a 2019 timepiece with a full set of warranty still available.

  • Box and papers included: true
  • Year: 2019
  • Warranty available: true
Posted at
Mar 10, 2025, 11:20 PM
Active
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A Brand New Audemars Piguet Royal Oak Jumbo Extra-thin with a 39mm stainless steel case and Bleu Nuit, Nuage 50 dial.

  • Condition: Brand New in Box, Never Worn & Never Sized
  • Movement: Calibre 7121, in-house selfwinding
  • Case size: 39mm diameter
  • Dial color: Bleu Nuit, Nuage 50
Posted at
Mar 8, 2025, 5:27 PM
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This is a 41mm Stainless Steel Audemars Piguet Royal Oak Chronograph with a white dial, manufactured in 2016.

  • Condition: Very Good
  • Year of manufacture: 2016
Posted at
Mar 7, 2025, 11:24 AM
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Audemars Piguet Royal Oak Offshore Chronograph 44mm Ceramic - 26405ce - Full Se

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This Audemars Piguet Royal Oak Offshore Chronograph features a 44mm ceramic case and is a 2018 model.

  • Condition: Very Good
  • Size: 44mm diameter
  • Year: 2018
Posted at
Mar 7, 2025, 11:18 AM
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2017 Audemars Piguet Royal Oak Chronograph with a blue dial, featuring a 41mm case.

  • Condition: Very Good
  • Year: 2017
Posted at
Mar 7, 2025, 11:15 AM
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This is a 37mm Royal Oak watch with a blue dial, previously had a white dial but was changed to the blue one by AP. The watch comes with papers and is in mint condition.

  • Condition: Mint condition
  • Case Size: 37MM
  • Material: Full Stainless Steel
  • Dial Color: Blue
Posted at
Mar 7, 2025, 10:28 AM
Active