Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Yellow Gold / Silver

Reference 25820BA.OO.0944BA.02

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar is a masterpiece of horological engineering, blending artistry, functionality, and tradition. This stunning timepiece boasts an exquisite design with yellow gold and silver contrast, complemented by an iconic octagonal bezel and a silver dial adorned with the 'Tapisserie' pattern. The watch features an array of functions, including date, day, month, leap year, and moon phase, seamlessly integrated into its intricate movement. Crafted from 18-carat yellow gold, this luxury watch showcases exceptional craftsmanship, precision, and reliability. With a water resistance of 20 meters and a comfortable 39mm case size, it's perfect for everyday wear. The Royal Oak Perpetual Calendar is not just a timepiece; it's an heirloom, a statement of your appreciation for fine art in horology.
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Key Features

  • Audemars Piguet caliber AP 2120 / 2802 movement
  • 18-carat yellow gold case
  • Sapphire crystal glass
  • 39mm diameter and 9.30mm height
  • 20 meter water resistance
  • Perpetual calendar with date, day, month, leap year, and moon phase
  • Tapisserie pattern on silver dial

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Perpetual Calendar Yellow Gold / Silver
Reference
25820BA.OO.0944BA.02
Movement
ap-2120-2802
Movement Features
  • Hours, Minutes
  • Date, Day, Leap Year, Month, Perpetual Calendar
  • Moonphase
Case
Yellow Gold 39mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
20

Current Listings

[WTS] Audemars Piguet Royal Oak Offshore "Elephant" | Gray Dial Ref. 26470ST.OO.A104CR.01 | 42mm | Stainless Steel | Full Set | 2014

Audemars Piguet Royal Oak Offshore "Elephant" | Gray Dial Ref. 26470ST.OO.A104CR.01 | 42mm | Stainless Steel | Full Set | 2014

The Audemars Piguet Royal Oak Offshore 'Elephant' is a 42mm stainless steel watch with a slate gray dial and black chronograph pushers. It features an automatic movement with 50 hours of power reserve.

  • Condition: 8/10 Condition, light handling marks consistent with its age and careful wear
  • Diameter: 42mm
  • Case material: stainless steel
  • Movement power reserve: 50 hours
Posted at
Feb 25, 2026, 10:08 PM
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[WTS] 2024 Audemars Piguet Royal Oak Chronograph 26240CE — Brand New Condition, Box & Papers

2024 Audemars Piguet Royal Oak Chronograph 26240CE — Brand New Condition, Box & Papers

Audemars Piguet - 26240CE · $112,000
The Audemars Piguet Royal Oak Chronograph 26240CE is a bold yet refined watch featuring the iconic Royal Oak design executed in full black ceramic, with an in-house flyback chronograph movement and integrated bracelet.

  • Condition: Brand new condition
  • Size: 41mm diameter
  • Lug To Lug: 51.4mm
  • Thickness: 12.4mm
Posted at
Feb 25, 2026, 8:12 AM
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[WTS] 2017 Audemars Piguet Royal Oak Rhodium/Grey - 15400ST.OO.1220ST.04 - Box/Archive Papers

2017 Audemars Piguet Royal Oak Rhodium/Grey - 15400ST.OO.1220ST.04 - Box/Archive Papers

The Royal Oak 15400ST features a 41mm case with an octagonal shaped bezel, rhodium or metallic grey dial, and Calibre 3120 movement.

  • Condition: Very excellent preowned condition with little to no signs of wear throughout
  • Case size: 41mm
  • Bracelet length: fits approx 7.75in wrist
Posted at
Feb 25, 2026, 1:15 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with an in-house flyback chronograph movement, 42mm blue ceramic case, and 70-hour power reserve.

  • Condition: like new
  • Movement: Mechanical (Automatic) Calibre 4404
  • Case Size: 42 mm diameter
  • Case Thickness: 15.3 mm
Posted at
Feb 24, 2026, 8:42 AM
Active
[WTS] Seiko Sports 150 Arlam Chronograph Ref. 7T34-7A10 “Royal Oak” — $550 Shipped

Seiko Sports 150 Arlam Chronograph Ref. 7T34-7A10 “Royal Oak” — $550 Shipped

Seiko - 7T34-7A10 · $550
Up for sale is a Seiko chronograph alarm, often nicknamed the “**Seiko Royal Oak**” thanks to its integrated bracelet and octagonal bezel design.

  • Condition: Honest signs of wear consistent with age
  • Movement: Seiko 7T34 quartz chronograph (alarm function)
  • Case size: 41mm x 43mm x 10mm
  • Bracelet type: Integrated stainless steel bracelet
Posted at
Feb 24, 2026, 2:24 AM
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[WTS] 1983 Seiko Quartz Chronograph “Royal Oak” Ref. 7A38-7020 | $600

1983 Seiko Quartz Chronograph “Royal Oak” Ref. 7A38-7020 | $600

Seiko - 7A38-7020 · $600
The Seiko Quartz Chronograph 'Royal Oak' Ref. 7A38-7020 is a rare and highly sought-after timepiece from the 80s, featuring a gray dial with black subdials and a 12-sided bezel.

  • Condition: Good condition for its age, with some markings on the case and bracelet, mineral crystal scratches.
  • Case Size: 38.5 x 42.5mm stainless steel case with a thickness of 11.2mm
  • Movement Type: quartz with 15 jewels
  • Movement Complications: analog quartz chronograph, day/date complication
Posted at
Feb 23, 2026, 5:34 PM
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[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 · $23,300
A 1995 Audemars Piguet Royal Oak 120th Anniversary LE with blue petite tapisserie dial and stainless steel case.

  • Condition: Very clean, minimal wear
  • Case material: Stainless steel
  • Diameter: 33 mm (case diameter)
  • Lug width: 23.5 mm
Posted at
Feb 22, 2026, 7:06 PM
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[WTS] Vintage Seiko Sports 150 – Alarm Chronograph – 😏 “Poor Man’s AP Royal Oak” 😏 – 7T34-7A10 – $245 Shipped

Vintage Seiko Sports 150 – Alarm Chronograph – 😏 “Poor Man’s AP Royal Oak” 😏 – 7T34-7A10 – $245 Shipped

Seiko - 7T34-7A10 · $245
This vintage Seiko Sports 150 is a quartz-powered chronograph with date display and alarm functions, housed in an approximately 44mm case.

  • Condition: Poor condition with signs of wear and fading
  • Case size: approximately 44mm diameter
  • Bracelet length supported: up to 8 inches
Posted at
Feb 21, 2026, 5:38 PM
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Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB

Audemars Piguet Royal Oak Perpetual Calendar Blue White Ceramic MINT 26579CB

Audemars Piguet - 26579CB · $306,899
This Audemars Piguet Royal Oak Perpetual Calendar features a blue Grande Tapisserie dial, perpetual calendar function, and is made from white ceramic. It includes hours, minutes, day, date, month, moon phase, leap year, and week indicator functions.

  • Condition: Mint
  • Case material: White ceramic
  • Dial color: Blue
Posted at
Apr 8, 2025, 1:20 PM
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