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

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 · $104,500
The watch being listed is a 2023 Audemars Piguet Royal Oak White Gold Jumbo Blue Tuscan Dial COMPLETE SET in excellent condition. The blue dial and sharp white gold case and bracelet are described as stunning.

  • Condition: Excellent, unpolished condition
  • Case material: White Gold
  • Bracelet type: Complete Set
Posted at
Feb 26, 2025, 2:28 PM
Active
2025 NEW UNWORN Audemars Piguet Royal Oak Chronograph Blue Rose Gold 26240OR

2025 NEW UNWORN Audemars Piguet Royal Oak Chronograph Blue Rose Gold 26240OR

Audemars Piguet - 26240OR · $93,350
A 2025 Audemars Piguet Royal Oak Chronograph in Blue Dial housed in Rose Gold, featuring a stunning Bleu Nuit Nuage 50 Grande Tapisserie dial and attractive bezel with polished edges.

  • Condition: unworn
  • Case material: 18k pink gold
  • Diameter: 41mm
  • Water resistance: 30m
Posted at
Feb 26, 2025, 1:27 PM
Active
Audemars Piguet Royal Oak Yellow Gold On Gold 14790BA

Audemars Piguet Royal Oak Yellow Gold On Gold 14790BA

Audemars Piguet - 14790BA · $78,000
Preserved in overall very good condition, comes with box. Light visible surface wear on the case and bracelet.

  • Condition: very good condition, with light surface wear
  • Shipping: complimentary fully-insured international shipping via FedEx Priority
Posted at
Feb 26, 2025, 8:02 AM
Active
Audemars Piguet Royal Oak Panda Watch 26331ST.OO.1220ST.03 Chronograph

Audemars Piguet Royal Oak Panda Watch 26331ST.OO.1220ST.03 Chronograph

A stainless steel Royal Oak Chronograph watch with a white Panda dial and chronograph function, featuring a 41MM case.

  • Case material: Stainless Steel
  • Dial color: white
Posted at
Feb 25, 2025, 10:39 PM
Active
Audemars Piguet Royal Oak Black Dial Black Ceramic FULL SET MINT 26240CE

Audemars Piguet Royal Oak Black Dial Black Ceramic FULL SET MINT 26240CE

Audemars Piguet - 26240CE · $119,495
This Audemars Piguet Royal Oak features a black ceramic case, black Grande Tapisserie dial with pink gold accents, and a discreet date display at 4:30. It has a 70-hour power reserve, is water-resistant up to 50 meters, and includes luminous hour markers and hands for easy readability.

  • Condition: Mint condition with little to no signs of wear
  • Case material: Black ceramic
  • Diameter: 41mm
  • Depth rating: 50m
Posted at
Feb 24, 2025, 12:16 PM
Active
Audemars Piguet Royal Oak Offshore Chronograph �Summer� White Pink Gold 26408OR

Audemars Piguet Royal Oak Offshore Chronograph �Summer� White Pink Gold 26408OR

Audemars Piguet - 26408OR · $61,995
This exclusive edition of 500 pieces captures the relaxed and celebratory mood of the summer season. Features an attractive 18k pink gold bezel with brushed and polished accents.

  • Condition: Mint condition
  • Limited Edition: 500 pieces
  • Case Material: 18k pink gold
  • Dial Type: Mega Tapisserie dial
Posted at
Feb 24, 2025, 10:45 AM
Active
Audemars Piguet Royal Oak Perpetual Calendar Black Ceramic FULL SET 26579CE

Audemars Piguet Royal Oak Perpetual Calendar Black Ceramic FULL SET 26579CE

The watch features a slate grey dial with black subdials showing the day, date, month, and moon phase. It has a perpetual calendar that automatically adjusts for months of varying lengths and leap years.

  • Condition: Mint condition with little to no signs of wear
  • Material: Black ceramic case with a brushed finish and polished edges
  • Movement: Gold-toned rotor and intricate movement inside
  • Functions: Hours,Minutes,Seconds,Day,Date,Month,Year,Leap year,Moon phase
Posted at
Feb 21, 2025, 11:49 PM
Active
Audemars Piguet Royal Oak Offshore �Brick Beast� Blue Dial FULL SET MINT 26238OR

Audemars Piguet Royal Oak Offshore �Brick Beast� Blue Dial FULL SET MINT 26238OR

Audemars Piguet - 26238OR · $97,350
The Audemars Piguet Royal Oak Offshore Chronograph Blue Brick in Pink Gold features a deep blue Petite Tapisserie dial, pink gold-toned counters, and a brushed case with a transparent caseback. It presents itself with little to no signs of wear and comes as a full set.

  • Condition: Mint condition
  • Material: 18k pink gold
  • Case Size: unknown
  • Diameter: unknown
Posted at
Feb 21, 2025, 11:05 PM
Active