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

2018 Audemars Piguet Royal Oak Offshore 42mm Havana 26470ST - Like New With Box & Pap

2018 Audemars Piguet Royal Oak Offshore 42mm Havana 26470ST - Like New With Box & Pap

Audemars Piguet - 26470ST · $22,000
The Audemars Piguet Royal Oak Offshore 42mm Havana is a bold and sophisticated chronograph featuring a rich brown dial with striking blue subdials, housed in a stainless steel case.

  • Condition: Like New
  • Case size: 42mm diameter
  • Material: stainless steel
  • Box and papers included: yes
Posted at
Jan 30, 2025, 7:39 PM
Active
16202BC Audemars Piguet Royal Oak White Gold Jumbo Blue Tuscan Dial COMPLETE SET

16202BC Audemars Piguet Royal Oak White Gold Jumbo Blue Tuscan Dial COMPLETE SET

Audemars Piguet - 16202BC · $109,500
A 2023 Audemars Piguet Royal Oak White Gold Jumbo watch with a stunning blue Tuscan dial and sharp white gold case and bracelet.

  • Condition: Excellent, unpolished condition
  • Set: Complete set
  • Dial color: Blue Tuscan
Posted at
Jan 30, 2025, 3:49 PM
Active
Audemars Piguet Royal Oak Black Dial Steel FULL SET MINT 15500ST.OO.1220ST.03

Audemars Piguet Royal Oak Black Dial Steel FULL SET MINT 15500ST.OO.1220ST.03

A black dial Audemars Piguet Royal Oak built from stainless steel with a Grande Tapisserie dial, featuring hours, minutes, seconds, and date functions.

  • Condition: Mint condition
  • Case size: 41mm diameter
  • Bezel type: brushed octagonal bezel with polished edges
Posted at
Jan 30, 2025, 11:22 AM
Active
Audemars Piguet Royal Oak 15500st Gray Dial Box/Papers

Audemars Piguet Royal Oak 15500st Gray Dial Box/Papers

Audemars Piguet - 15500ST · $34,995
For sale is a Audemars Piguet Royal Oak Gray Dial Reference 15500ST in like new condition, with no signs of wear on the watch or bracelet.

  • Condition: Like new
  • Box Papers: Full kit includes inner/outer boxes; hang tags, booklets, and the warranty card
  • Location: Sunny Isles, Florida
Posted at
Jan 29, 2025, 8:49 PM
Active
Audemars Piguet Royal Oak Offshore �Vampire� Black Red FULL SET MINT 26470ST

Audemars Piguet Royal Oak Offshore �Vampire� Black Red FULL SET MINT 26470ST

Audemars Piguet - 26470ST · $22,244
The Audemars Piguet Royal Oak Offshore 'Vampire' features a dark Mega Tapisserie dial with red accents and a brushed stainless steel bezel. It's a high-end watch suitable for both formal and casual settings.

  • Condition: Mint condition, little to no signs of wear
  • Diameter: 42mm
  • Case material: Brushed stainless steel
  • Exhibition caseback: Flawless view of the movements
Posted at
Jan 29, 2025, 11:50 AM
Active

Audemars Piguet Royal Oak 15300ST - Like New With Warranty

Audemars Piguet - 15300ST · $1,500
The Audemars Piguet Royal Oak 15300ST is a stunning watch with a white dial and grande tapisserie pattern. It features a 39mm case dimension, a more substantial bracelet, screw-down crown, and sweeping seconds hand.

  • Condition: Like new with warranty
  • Warranty left: ~1 year and 2.5 months
  • Bracelet size: 7.25"
  • Case dimensions: 39mm diameter
Posted at
Jan 28, 2025, 10:52 PM
Active
Audemars Piguet Royal Oak Jumbo 16202BA.OO.1240BA.02 Royal Oak Champagne Dial

Audemars Piguet Royal Oak Jumbo 16202BA.OO.1240BA.02 Royal Oak Champagne Dial

The Audemars Piguet Royal Oak Jumbo Extra-Thin reference 16202BA.OO.1240BA.02 is a distinguished timepiece that pays homage to the original Royal Oak design while incorporating modern advancements.

  • Material: 18-carat yellow gold
  • Case size: 39 mm
  • Movement: self-winding Calibre 7121
Posted at
Jan 28, 2025, 5:43 PM
Active
1970s Audemars Piguet 8638BA Royal Oak 29mm 18K Yellow Gold with Service Receipt

1970s Audemars Piguet 8638BA Royal Oak 29mm 18K Yellow Gold with Service Receipt

Audemars Piguet - 8638BA · $15,900
This is a 1970s Audemars Piguet Royal Oak in 18K yellow gold with a grey dial, measuring 29mm in case size. It comes with service receipts and has been well-maintained.

  • Condition: Very Good
  • Case Size: 29mm
  • Material: 18K Yellow Gold
  • Dial Color: Grey
Posted at
Jan 28, 2025, 5:30 PM
Active
2005 Audemars Piguet Royal Oak 15300ST White Dial - Box and Papers

2005 Audemars Piguet Royal Oak 15300ST White Dial - Box and Papers

Audemars Piguet - 15300ST · $30,950
The Royal Oak, with its 39mm case size, is a perfect and wearable size. The white and steel case has clean aesthetics.

  • Case Size: 39mm diameter
  • Bracelet Fits: up to 7.5 inch wrist
  • Movement Status: running fantastic
Posted at
Jan 28, 2025, 1:15 PM
Active