Audemars Piguet Royal Oak Royal Oak 25820 Perpetual Calendar Platinum / Salmon

Reference 25820PT.O.0944PT.04

Audemars Piguet Royal Oak 25820 Perpetual Calendar Platinum / Salmon

About this watch

The Audemars Piguet Royal Oak 25820 Perpetual Calendar Platinum / Salmon is a masterpiece of watchmaking, boasting an extra-thin platinum case that reflects light in mesmerizing ways. The salmon dial with Grande Tapisserie pattern adds depth and texture, while the stick indexes and hands ensure readability without compromising style. This timepiece tells date, day, month, and even leap year, thanks to its perpetual calendar complication. The Audemars Piguet caliber AP 2120 / 2802 movement is a marvel of engineering, boasting a power reserve of 40 hours and meticulous manual finishing. The moonphase complication adds an astronomical element that enhances the overall aesthetic. Made from platinum, this watch is both beautiful and durable, with a sapphire crystal ensuring scratch-resistance. With its perfect balance between presence and comfort, this watch fits seamlessly into any outfit, making it a lifestyle choice for those who appreciate fine craftsmanship and luxury.
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Key Features

  • Audemars Piguet Caliber AP 2120 / 2802 movement
  • Perpetual calendar complication
  • Moonphase display
  • Sapphire crystal glass
  • Extra-thin platinum case
  • Salmon dial with Grande Tapisserie pattern
  • Stick indexes and hands

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak 25820 Perpetual Calendar Platinum / Salmon
Reference
25820PT.O.0944PT.04
Movement
ap-2120-2802
Movement Features
  • Hours, Minutes
  • Date, Day, Leap Year, Month, Perpetual Calendar
  • Moonphase
Case
39mm
Crystal
Sapphire

Current Listings

[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

Audemars Piguet - 15400ST.OO.1220ST.04 · $36,500
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
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[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

Audemars Piguet - 26238CD.OO.1300CD.01 · $120,995
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
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[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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[WTS] Audemars Piguet Royal Oak Offshore Chronograph 42mm Champagne Gold Dial 26470OR.OO.A002CR.01 "Half Brick”

Audemars Piguet Royal Oak Offshore Chronograph 42mm Champagne Gold Dial 26470OR.OO.A002CR.01 "Half Brick”

Audemars Piguet - 26470OR.OO.A002CR.01 · $31,950
This listing is for an Audemars Piguet Royal Oak Offshore Chronograph with a champagne gold dial, 42mm case size, and various other features. The watch is described as being in very good condition, with minor flaws noted. Additional details are available upon request.

  • Condition: Very good, with minor marks and wear
  • Material: Gold
Posted at
Feb 20, 2026, 10:38 AM
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[WTS] Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

Audemars Piguet - 26405NR.OO.A002CA.01 · $47,495
This Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial is a 44mm rose gold and black ceramic masterpiece with a smoked grey dial, featuring a chronograph, date, small seconds, and water resistance of 100m.

  • Condition: like new
  • Case size: 44mm diameter
  • Case material: ceramic
  • Bezel material: 18k rose gold
Posted at
Feb 20, 2026, 9:10 AM
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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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