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 Offshore Diver Stainless Steel Grey Dial 42mm 15720ST.OO.A009CA.01

Audemars Piguet - 15720ST.OO.A009CA.01 · $25,395

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 condition with little to no signs of wear
Case size: 42mm diameter
Case thickness: 14.2mm
Case material: Stainless Steel

Posted at

Apr 24, 2026, 8:31 AM

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AUDEMARS PIGUET Royal Oak 37mm Grey Dial Stainless Steel 15450ST.OO.1256ST.02

Audemars Piguet - 15450ST.OO.1256ST.02 · $38,900

A modern classic in the Royal Oak family, this 37mm stainless steel watch features a grey dial and AP's automatic movement. Compact and elegant, it suits both men and women with iconic Royal Oak design cues.

Condition: Excellent
Case size: 37mm
Movement: Automatic

Posted at

Apr 24, 2026, 8:22 AM

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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 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph has a smoked grey dial with a beautiful Mega Tapisserie pattern, making it a stunning timepiece.

Condition: like new
Case Size: 44mm diameter
Case Material: rose gold and ceramic
Dial Color: smoked grey

Posted at

Apr 24, 2026, 8:21 AM

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Audemars Piguet Royal Oak Offshore Diver 42mm Funky Green 15710ST.OO.A038CA.01

Audemars Piguet - 15710ST.OO.A038CA.01 · $32,000

This is a 42mm Audemars Piguet Royal Oak Offshore Diver with a funky green dial, featuring an automatic movement and a water resistance of 300 meters.

Condition: Excellent pre-owned condition
Case diameter: 42mm
Band material: Rubber, Fizzy Lime Green
Bezel material: Stainless Steel with Inner Bezel Diving Scale

Posted at

Apr 23, 2026, 5:11 PM

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AUDEMARS PIGUET Royal Oak 43mm Offshore Rose Gold Titanium 26420OI.OO.A015VE.01

AUDEMARS PIGUET - 26420OI.OO.A015VE.01 · $54,500

This AUDEMARS PIGUET Royal Oak Offshore has an unrivaled luxury look with its contrasting rose gold case and titanium bezel, paired with a grey dial and textured calfskin strap.

Condition: Excellent condition
Case material: 18k rose gold and titanium
Diameter: 43mm
Strap material: grey textured calfskin

Posted at

Apr 23, 2026, 1:21 PM

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Audemars Piguet Royal Oak Offshore 15703ST $17000

Audemars Piguet - 15703ST · $17,000

Additional Details: Have for sale, my AP ROO 15703ST.

Year traded for: 2021

Posted at

Apr 22, 2026, 5:37 PM

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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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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

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NIB Audemars Piguet Royal Oak Chronograph Rose Gold Green Dial Strap 26240 Full Se

Audemars Piguet - 26240OR.00.D404CR.02 · $74,995

This 41mm Audemars Piguet Royal Oak Chronograph features an in-house automatic movement and a green dial on an 18K rose gold case.

Condition: New, unworn (NIB)
Case size: 41mm
Movement type: Automatic, in-house

Posted at

Apr 7, 2025, 3:20 PM

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