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

Reference 25820PT.O.0944PT.01

Audemars Piguet Royal Oak 25820 Perpetual Calendar Platinum / Blue

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

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Audemars Piguet - 26470or · $37,000

a luxury chronograph watch from the Royal Oak Offshore collection with a 42mm case size and half brick gray rhodium dial.

Posted at

Apr 7, 2026, 10:12 AM

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[US] Audemars Piguet Royal Oak Rose Gold Black Dial 39mm - AP 15300OR - $36,500

Audemars Piguet - AP 15300OR · $36,500

Diameter: 39mm

Posted at

Apr 7, 2026, 10:07 AM

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2013 Audemars Piguet Royal Oak Chronograph 42mm 26170ST — Excellent Condition, Box & Papers

Audemars Piguet - 26170ST · $20,500

The Audemars Piguet Royal Oak Chronograph is a bold and iconic take on the Royal Oak, featuring a crisp white dial accented by striking blue chronograph subdials. Its 42mm stainless steel case with octagonal bezel delivers unmistakable wrist presence.

Condition: Excellent condition, light signs of wear
Case size: 42mm
Lug to lug: 54mm
Thickness: 14mm

Posted at

Apr 7, 2026, 9:37 AM

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Audemars Piguet Royal Oak Offshore “Half Brick” 26470OR – 2019 Full Set – Excellent Condition – $39,000

Audemars Piguet - 26470OR.OO.A125CR.01 · $39,000

This Audemars Piguet Royal Oak Offshore Chronograph 'Half Brick' is a stunning example in excellent condition, with incredible wrist presence and a perfect blend of luxury, sport, and unmistakable AP character.

Condition: Excellent condition
Case material: rose gold
Diameter: 44mm
Year: 2019

Posted at

Apr 6, 2026, 3:10 PM

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AP Royal Oak Dual Time 26120ST

Audemars Piguet - 26120ST.OO.1220ST.01 · $34,500

A Royal Oak Dual Time watch from Audemars Piguet, featuring a 39mm case size and reference number 26120ST.OO.1220ST.01.

Condition: Preowned, with minor signs of wear on the case and bracelet
Case Size: 39mm

Posted at

Apr 6, 2026, 10:50 AM

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Audemars Piguet Royal Oak 33mm 15000ST Navy

Audemars Piguet - 15000ST · $27,950

The Audemars Piguet Royal Oak 33mm is a neo-vintage watch with an automatic movement, introduced in 1995. It features a deep blue tapisserie dial and a 33mm integrated bracelet case.

Condition: great pre owned condition
Case size: 33mm diameter
Water resistance: 50m depth rating
Movement: AP calibre 2140 (upgraded to 2240 in 2025)

Posted at

Apr 4, 2026, 9:33 PM

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1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

Audemars Piguet - 56975ST · $21,800

A 1995 Audemars Piguet Royal Oak 120th Anniversary LE with a blue petite tapisserie dial and stainless steel bracelet. The watch features a quartz movement and has been kept accurate time over a 24-hour period.

Condition: Minimal wear, excellent condition overall
Case material: Stainless steel
Case diameter: 33mm
Lug width: 23.5mm

Posted at

Apr 4, 2026, 12:09 PM

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Audemars Piguet Royal Oak Tourbillon Chronograph 44mm 26377SK.OO.D002CA.01 Complete Set

Audemars Piguet - 26377SK.OO.D002CA.01 · $114,195

This 44mm Royal Oak Tourbillon Chronograph features a clean black 'Méga Tapisserie' dial and an exposed tourbillon at 6 o'clock, providing a sophisticated backdrop for the high-complication movement. The rubber-clad bezel adds a unique matte texture and industrial contrast against the brushed stainless steel case.

Condition: Excellent
Case Size: 44mm
Case Thickness: 13.2mm
Water Resistance: 20m (2 ATM)

Posted at

Apr 3, 2026, 8:31 AM

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2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

Audemars Piguet - 15720ST · $25,000

The Audemars Piguet Royal Oak Offshore Diver is a bold, modern dive watch that combines the rugged Offshore aesthetic with refined finishing. It features a vibrant blue dial and an inner rotating dive bezel.

Condition: Like new condition
Case diameter: 42mm
Lug to lug length: 52mm
Thickness: 14.2mm

Posted at

Apr 1, 2026, 9:32 AM

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