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

Audemars Piguet Royal Oak Dual Time 39mm YELLOW GOLD 26120BA.OO.D088CR.01

Audemars Piguet - 26120BA.OO.D088CR.01 · $40,000

This 39mm yellow gold Audemars Piguet Royal Oak Dual Time features a silver dial and is powered by an automatic movement.

Condition: nice pre-owned condition with light cosmetic wear on the case and clasp
Case diameter: 39mm
Water resistance: 50m depth rating
Movement: automatic movement

Posted at

Jul 2, 2025, 3:26 PM

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Audemars Piguet Royal Oak Offshore Diver 42mm Black Dial 15703ST BOXES/PAPERS

Audemars Piguet - 15703ST.00.A002CA.01 · $18,500

This Audemars Piguet Royal Oak Offshore Diver is a 42mm stainless steel watch with a black dial and 'Mega Tapisserie' pattern, featuring an inner rotating ring with a diving scale and a rubber strap. It has a water resistance of 300 meters and comes complete with boxes and papers.

Condition: Excellent pre-owned
Case Diameter: 42mm
Water Resistance: 300 Meters depth rating
Movement Type: Automatic

Posted at

Jul 2, 2025, 3:14 PM

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AP Royal Oak Offshore Annual Calendar Serviced $22,750

Audemars Piguet - 25807ST · $22,750

Condition: Excellent condition
Case Size: 38mm
Thickness: 12.5mm
Dial Color: Black with Tapisserie pattern

Posted at

Jul 2, 2025, 12:47 PM

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Audemars Piguet Royal Oak 15500ST White Dial – Full Set – 2021

Audemars Piguet - 15500ST · $36,500.004

The watch is in mint condition with a 41mm stainless steel case and white/silver 'Grande Tapisserie' dial. It features an AP Caliber 4302 automatic movement.

Condition: mint condition
Case size: 41mm
Movement type: automatic

Posted at

Jul 2, 2025, 9:20 AM

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Audemars Piguet Royal Oak Offshore Dark Knight Box & Papers 26470SO.OO.A002CA.01

Audemars Piguet - 26470SO.OO.A002CA.01 · $23,750

The Audemars Piguet Royal Oak Offshore is a recognizable watch, known as the "Dark Knight" due to its black/red color combo and ceramic bezel.

Condition: Excellent condition
Case material: Titanium
Movement: Calibre 3126/3840

Posted at

Jul 1, 2025, 6:26 PM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 44mm Ceramic Beast - 26238CE - Full Set 2024

Audemars Piguet - 26238CE.OO.1300CE.01 · $91,500

The Royal Oak Offshore Chronograph “Beast” in full black ceramic, featuring a black Grande Tapisserie dial with white accents, perfect combination of style and durability.

Condition: Very Good
Serial number type: PX
Case material: Black Ceramic
Crystal condition: Like-new

Posted at

Jul 1, 2025, 2:43 PM

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[US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold Non-Converted Black Dial - 26320OR Full Set

Audemars Piguet - 26320OR.OO.1220OR.01 · $68,950

The Audemars Piguet Royal Oak Chronograph features a black dial against rose gold, with a 41mm case and matching bracelet.

Condition: Very Good
Case material: 18-carat gold
Bracelet material: rose gold

Posted at

Jul 1, 2025, 2:27 PM

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[US] Audemars Piguet Royal Oak Perpetual Calendar 41mm Blue Dial - AP 26574ST

Audemars Piguet - 26574ST.OO.1220ST.02 · $97,500

This Audemars Piguet Royal Oak Perpetual Calendar is a grail for most and a reality for the very few! In the popular blue steel combo and equipped with a full perpetual calendar, it displays the day, date, month, and moon phase, as well as a week indicator, making it an absolute marvel of complications!

Condition: Very Good
Serial number: J
Year: 2017
Accessories included: Audemars Piguet Outer Green Box,Audemars Piguet Green Inner Box,Audemars Piguet Archive Papers

Posted at

Jul 1, 2025, 1:48 PM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Havana - 26470ST - Full Set

Audemars Piguet - 26470ST.OO.A820CR.01 · $21,250

This beautiful AP Royal Oak Offshore 'Havana' features a striking brown Mega Tapisserie patterned dial and is one of the OG AP Offshores, with a 42mm case that adds to its desirability. The watch has an open case back allowing you to view the gorgeous 3126 movement.

Condition: Very Good
Serial number: J serial number
Year: 2017
Case size: 42mm diameter

Posted at

Jul 1, 2025, 1:23 PM

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