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.

Buy Now on Jomashop

This is an affiliate link

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

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

Active

View listing on r/WatchExchange

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

Audemars Piguet - 26238CD.OO.1300CD.01 · $120,995

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

Condition: like new
Movement Type: Mechanical (Automatic)
Case Size: 42 mm
Case Thickness: 15.3 mm

Posted at

Apr 1, 2026, 8:37 AM

Active

View listing on r/WatchExchange

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 · $42,495

This Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial is a 44mm masterpiece from AP, featuring a rose gold and black ceramic design with a smoked grey mega tapisserie dial.

Condition: like new
Case size: 44mm
Water resistance: 100m (10ATM)
Movement caliber: 3126/3840

Posted at

Apr 1, 2026, 8:36 AM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore “Volcano” 26170ST with Extra OEM Strap & Brand New AP Box

Audemars Piguet - 26170ST.OO.D101CR.01 · $18,200

This watch is a bold pre-ceramic Offshore icon with a 42mm steel case and black Méga Tapisserie dial, making it a statement piece among collectors.

Condition: Excellent
Case size: 42mm diameter
Dial color: black
Movement: Caliber 3126/3840 automatic chronograph

Posted at

Mar 30, 2026, 3:27 PM

Active

View listing on r/WatchExchange

[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm Steel “Batman” AP 26470ST - Full Set - $23,500

Audemars Piguet - 26470ST · $23,500

The watch being listed is an Audemars Piguet Royal Oak Offshore Chronograph in a 42mm steel case, also known as the 'Batman' model.

Posted at

Mar 30, 2026, 11:18 AM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore 26420TO 🔥Preowned 2021, $26.5k+✈️🔥

Audemars Piguet - 26420TO · $26,500

2021 model, additional details not provided in the listing.

Condition: preowned
Year: 2021
Status: preowned
Location: international

Posted at

Mar 30, 2026, 8:02 AM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore Panda 26170ST Extra OEM Strap & Brand New AP Box

Audemars Piguet - 26170ST.OO.D101CR.02 · $19,200

A classic Audemars Piguet Royal Oak Offshore Panda with a stainless steel case and black and white Méga Tapisserie dial, powered by the Caliber 3126/3840 automatic chronograph.

Case size: 42mm diameter
Dial pattern: Méga Tapisserie 'Panda' dial
Movement: Caliber 3126/3840 automatic chronograph

Posted at

Mar 30, 2026, 6:41 AM

Active

View listing on r/WatchExchange

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

Active

View listing on RolexForums

Audemars Piguet Royal Oak 39mm White Dial - Mint Condition with Box

Audemars Piguet - Royal Oak 39mm · $30,000

This Audemars Piguet Royal Oak features a white dial, iconic octagonal bezel, and signature Tapisserie pattern, making it a true masterpiece of luxury and precision.

Condition: Mint Condition
Box: Yes, original box included
Shipping: Fully insured FedEx Priority Overnight shipping to US addresses included
Payment Methods: Wire, cryptocurrency, credit card (+4%)

Posted at

Apr 7, 2025, 8:26 PM

Active

View listing on RolexForums