Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Stainless Steel / Silver

Reference 25820ST.OO.0944ST.03

Audemars Piguet Royal Oak Perpetual Calendar Stainless Steel / Silver

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar is a masterpiece of horological engineering, combining classic elegance with advanced mechanics. Crafted from high-quality stainless steel, this watch features a silver dial and sapphire glass that captures light beautifully. The open case back reveals the exquisite AP 2120 / 2802 automatic movement, boasting functions including hours, minutes, date, day, leap year, month, and a perpetual calendar. Notable features include an extra-thin movement, moonphase complication, and water resistance of 20 meters. This timepiece exudes sophistication, making it suitable for any occasion. As an investment, the Royal Oak Perpetual Calendar retains or increases in value over time, offering unparalleled craftsmanship and a rich heritage. With its stunning aesthetics and advanced movement, this watch is designed to be treasured for generations.

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MSRP: $40,500

Market Price: $109,775

Key Features

Automatic AP 2120 / 2802 movement
Perpetual calendar with leap year adjustment
Moonphase complication with Physical Vapor Deposited metal on sapphire
Water resistance of 20 meters
Extra-thin movement (28.40 mm in diameter)
Sapphire glass for scratch-resistance and crystal clarity
Stainless steel case with silver dial

Specifications

Brand

Audemars Piguet

Family

Royal Oak

Model

Royal Oak Perpetual Calendar Stainless Steel / Silver

Reference

25820ST.OO.0944ST.03

Movement

ap-2120-2802

Movement Features

Hours, Minutes
Date, Day, Leap Year, Month, Perpetual Calendar
Moonphase

Case

Stainless Steel 39mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

Current Listings

Audemars Piguet Royal Oak Offshore Blue Dial - 25721ST.OO.1000ST.09 The BEAST!

Audemars Piguet - 25721ST.OO.1000ST.09 · $21,000

The Audemars Piguet Royal Oak Offshore has a blue dial, white accents, and full bracelet giving it a unique presence.

Box: true

Posted at

Jan 10, 2026, 9:41 AM

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2017 Audemars Piguet Royal Oak Offshore Diver 42MM White Dial Rubber Strap 15710ST.OO.A002CA.02

Audemars Piguet - 15710ST.OO.A002CA.02 · $194,900

This is a 2017 Audemars Piguet Royal Oak Offshore Diver in stainless steel with a white dial, on a rubber strap.

Condition: near-mint condition with almost zero wear
Case size: 42mm
Case material: stainless steel
Dial color: white

Posted at

Jan 9, 2026, 10:15 PM

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Audemars Piguet Royal Oak Offshore 43MM “Smoked Taupe” - Ref 26420SO.OO.A600CA.01 (EXCELLENT 2022 COMPLETE SET)

Audemars Piguet - 26420SO.OO.A600CA.01 · $31,650

A 43MM Audemars Piguet Royal Oak Offshore in smoked taupe, featuring a factory warranty intact until 2027 and included with outer box, inner box, manuals, and unworn strap.

Condition: Excellent pre-owned
Case size: 43mm diameter
Water resistance: 50m depth rating

Posted at

Jan 9, 2026, 5:09 PM

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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 · $47,495

The watch is a 44mm rose gold and black ceramic masterpiece from AP, featuring a smoked grey mega tapisserie dial, mechanical movement, and 100m water resistance.

Condition: Like new
Movement Caliber: 3126/3840
Case Size: 44mm diameter
Water Resistance: 100m (10ATM)

Posted at

Jan 9, 2026, 8:10 AM

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Audemars Piguet Royal Oak Chronograph Yellow Gold Green Dial 41mm 26331BA.OO.1220BA.02

Audemars Piguet - 26331BA.OO.1220BA.02 · $195,000

This stunning Audemars Piguet Royal Oak Chronograph features a yellow gold case with a rich green dial, one of only 125 pieces ever made.

Condition: like new condition
Case diameter: 41mm
Case thickness: 11mm
Water resistance depth rating: 50m (5 ATM)

Posted at

Jan 9, 2026, 8:06 AM

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AP Royal Oak Offshore Diver 15706AU – Forged Carbon – 42mm – Watch Only – Good Condition – 19,500 Shipped – Trades Welcome

Audemars Piguet - 15706AU · $19,500

This is a Royal Oak Offshore Diver Ref. 15706AU, made of forged-carbon and featuring a black ceramic bezel and Méga Tapisserie dial.

Condition: Good condition with light carbon wear
Case material: Forged Carbon
Case size: 42mm diameter
Bezel type: Black ceramic bezel

Posted at

Jan 8, 2026, 3:28 PM

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[US] Audemars Piguet Royal Oak Offshore Chronograph 44mm Ceramic - 26405ce

Audemars Piguet - 26405CE · $59,900

a luxury watch listing for an Audemars Piguet Royal Oak Offshore Chronograph 44mm Ceramic model

Case material: ceramic
Size: 44mm diameter

Posted at

Jan 6, 2026, 3:31 PM

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

Audemars Piguet - 26238CD.OO.1300CD.01 · $129,995

The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release featuring a bold design, ceramic build, and in-house flyback chronograph movement.

Condition: like new
Case size: 42mm diameter
Case material: blue ceramic with titanium caseback
Bezel material: ceramic

Posted at

Jan 6, 2026, 8:59 AM

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1988 Seiko Quartz Chronograph “Royal Oak” Ref. 7A38-7280 | $315

Seiko - 7A38-7280 · $315

The Seiko Quartz Chronograph Ref. 7A38-7280 is a two-tone, angular watch inspired by the Royal Oak design, powered by the jewelled and fully serviceable caliber 7A38 quartz movement.

Condition: Good condition for its age with some markings on the case and bracelet
Movement Type: quartz
Jewels: 15

Posted at

Jan 5, 2026, 12:38 PM

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