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

Reference 25820PT.O.0944PT.01

About this watch

The Audemars Piguet Royal Oak 25820PT.O.0944PT.01 is a masterpiece that embodies the perfect blend of luxury and functionality. The exquisite platinum case gleams under any light, while the blue Grande Tapisserie dial adds a touch of sophistication with its intricate pattern. The stick hands glide smoothly across the dial, powered by the remarkable Audemars Piguet caliber AP 2120 / 2802 movement. This automatic movement boasts a 40-hour power reserve and a frequency of 21,600 beats per hour, ensuring precision and reliability. The perpetual calendar complication is beautifully executed, allowing the watch to know the date, day, leap year, and month without adjustments. The platinum bracelet complements the case perfectly, feeling luxurious against the skin. With a sapphire crystal and water resistance of 20 meters, this watch is resistant to scratches and everyday wear. It's a worthy investment for those who appreciate both beauty and functionality.
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Key Features

  • Exquisite platinum case
  • Blue Grande Tapisserie dial with intricate pattern
  • Audemars Piguet caliber AP 2120 / 2802 movement with 40-hour power reserve
  • Perpetual calendar complication with date, day, leap year, and month functions
  • Platinum bracelet for a luxurious feel
  • Sapphire crystal for scratch resistance
  • 20-meter water resistance

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak 25820 Perpetual Calendar Platinum / Blue
Reference
25820PT.O.0944PT.01
Movement
ap-2120-2802
Movement Features
  • Hours, Minutes
  • Date, Day, Leap Year, Month, Perpetual Calendar
  • Moonphase
Case
39mm
Dial Color
Blue
Crystal
Sapphire

Current Listings

[WTS] Audemars Piguet Royal Oak Chronograph Blue Dial 26320ST

Audemars Piguet Royal Oak Chronograph Blue Dial 26320ST

Audemars Piguet - 26320ST · $45,000
This Audemars Piguet Royal Oak Chronograph features a blue tapisserie dial and has a chronograph function along with a date window with quickset. It is powered by an automatic caliber 2385 movement with a 40 power reserve.

  • Condition: Very Good, minor signs of use on the case and minor patina/discoloration around the subdials
  • Movement type: Caliber 2385 automatic movement
  • Power reserve: 40 hours
  • Water resistance depth: 50m
Posted at
May 1, 2026, 12:57 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 Beige Dial 43mm 26420CD.OO.A029VE.01

Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 Beige Dial 43mm 26420CD.OO.A029VE.01

The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 features a beige dial with blue sub-dials and a matching blue ceramic bezel, contrasting the bold Offshore silhouette. The watch is powered by the integrated Calibre 4401 movement, offering a flyback function and a full view through the sapphire caseback.

  • Condition: Brand new
  • Case Size: 43mm diameter
  • Movement Caliber: Calibre 4401
  • Power Reserve: 70 hours
Posted at
May 1, 2026, 8:35 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Diver Stainless Steel Grey Dial 42mm 15720ST.OO.A009CA.01

Audemars Piguet Royal Oak Offshore Diver Stainless Steel Grey Dial 42mm 15720ST.OO.A009CA.01

The Audemars Piguet Royal Oak Offshore Diver is a rugged evolution of the Royal Oak DNA, built for 300m depth without breaking a sweat.

  • Condition: excellent
  • Case Size: 42mm
  • Depth Rating: 300m
  • Movement Caliber: 4308
Posted at
May 1, 2026, 8:34 AM
Active
[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

This is a 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph, featuring a smoked grey dial.

  • Condition: like new condition
  • Case Size: 44mm diameter
  • Water Resistance: 100m (10ATM)
  • Movement Caliber: 3126/3840
Posted at
May 1, 2026, 7:55 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Diver – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01

Audemars Piguet Royal Oak Offshore Diver – White Dial Navy Accents – Ref. 15710ST.OO.A010CA.01

The Audemars Piguet Royal Oak Offshore Diver features a 42mm stainless steel case with a white dial and blue accents, combining high-end watchmaking with professional dive capability.

  • Condition: Like new - recently serviced
  • Case size: 42mm diameter
  • Case material: stainless steel
  • Dial color: white
Posted at
Apr 30, 2026, 8:50 PM
Active
[WTS] AUDEMARS PIGUET Royal Oak Offshore Perpetual Calendar Black Rose Gold 26209OR.OO.D101CR.01

AUDEMARS PIGUET Royal Oak Offshore Perpetual Calendar Black Rose Gold 26209OR.OO.D101CR.01

The Audemars Piguet Royal Oak Offshore Perpetual Calendar reference 26209OR is a highly sophisticated interpretation of the Offshore line, combining bold proportions with a full perpetual calendar complication.

  • Condition: Excellent condition
  • Production Run: 25 pieces
  • Warranty Valid Until: January 2027
Posted at
Apr 30, 2026, 1:35 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore “Pride of Argentina” 50pcs LE, $57.5k

Audemars Piguet Royal Oak Offshore “Pride of Argentina” 50pcs LE, $57.5k

This limited edition Audemars Piguet Royal Oak Offshore is a unique and rare piece, with only 50 pieces produced.

  • Condition: Preowned
  • Limited edition: 50 pieces
  • Last known msrp: $69,100
Posted at
Apr 28, 2026, 10:50 AM
Active
[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 · $21,800
This is a 1995 Audemars Piguet Royal Oak 120th Anniversary Limited Edition watch in stainless steel with a blue dial. The case shows minimal wear and the bracelet is in fantastic condition.

  • Condition: Minimal wear, excellent condition overall
  • Case material: Stainless steel
  • Diameter: 33 mm
  • Lug width: 23.5 mm
Posted at
Apr 26, 2026, 9:42 PM
Active
[WTS] Credor 9300- Amazing dial, Sapphire, Onyx Crown, Royal Oak-esque bracelet, Made in Japan

Credor 9300- Amazing dial, Sapphire, Onyx Crown, Royal Oak-esque bracelet, Made in Japan

This iconic Squared-styled watch features an amazing dial with gilt hands and markers, a Royal Oak-esque H link bracelet, and is made in Japan. It has a 9300 movement, sapphire crystal, onyx crown, and measures 29mm without crown, 38mm lug to lug, and 4 mm height.

Posted at
Apr 25, 2026, 10:12 AM
Active