Audemars Piguet Royal Oak Royal Oak Perpetual Calendar Stainless Steel / Dark Blue

Reference 25820ST.OO.0944ST.04

Audemars Piguet Royal Oak Perpetual Calendar Stainless Steel / Dark Blue

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar 25820ST.OO.0944ST.04 is an exquisite timepiece that embodies elegance, innovation, and luxury. This masterpiece boasts a stunning dark blue dial, perfectly complemented by the stainless steel case. The iconic octagonal bezel and integrated bracelet add to its timeless appeal. With its extra-thin automatic movement, this watch features a plethora of complications, including a perpetual calendar that automatically adjusts for months with varying lengths and leap years. The moonphase complication is crafted with Physical Vapor Deposited (PVD) metal on sapphire, adding a touch of celestial elegance. The dial's intricate details, such as the stick and dot indexes and slender stick-style hands, make it easy to read in any light condition. The watch's water resistance of 20 meters makes it ideal for everyday wear. Whether you're at the office or attending a formal event, this watch adapts effortlessly to any environment. Its lightweight profile and smooth stainless steel make it a pleasure to wear.

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MSRP: $40,500

Market Price: $109,775

Key Features

Extra-thin automatic movement with perpetual calendar
Moonphase complication crafted with Physical Vapor Deposited (PVD) metal on sapphire
Iconic octagonal bezel and integrated bracelet design
Stainless steel case with dark blue dial and subtle texture
Water resistance of 20 meters for everyday wear
Lightweight profile and smooth stainless steel for comfortable wear

Specifications

Brand

Audemars Piguet

Family

Royal Oak

Model

Royal Oak Perpetual Calendar Stainless Steel / Dark Blue

Reference

25820ST.OO.0944ST.04

Movement

ap-2120-2802

Movement Features

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

Case

Stainless Steel 39mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

Current Listings

Audemars Piguet Royal Oak Dual Time 26124ST 39mm Blue Dial Complete Set

Audemars Piguet - 26124ST · $47,000

A very special Audemars Piguet Royal Oak Dual Time, produced for only two years. It comes in a 39mm size with a blue dial and fully linked AP bracelet.

Size: 39mm
Bracelet type: fully linked AP bracelet

Posted at

May 15, 2026, 9:16 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

A 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph with a smoked grey dial, available in like new condition.

Condition: like new
Case size: 44mm diameter
Movement type: Mechanical (Automatic)
Water resistance: 100M (10ATM)

Posted at

May 15, 2026, 7:58 AM

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AP Royal Oak Offshore 1000 series SS bracelet UK

Audemars Piguet - 1000 series

The seller is listing an Audemars Piguet Royal Oak Offshore 1000 series stainless steel bracelet watch, likely from a reputable source.

Uk only: seller's preferred location for sale and shipping
Meets included: includes original paperwork or accessories

Posted at

May 13, 2026, 8:54 AM

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MINT Audemars Piguet Royal Oak Offshore Diver 15710ST 42mm

Audemars Piguet - 15710ST · $16,900

2015-2021 stainless steel Royal Oak Offshore Diver with a black dial, running strong and all functions working as they should.

Condition: MINT
Case size: 42mm diameter
Dial color: black

Posted at

May 12, 2026, 12:38 PM

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2012 Audemars Piguet Royal Oak Offshore 26400AU.OO.A002CA.01

Audemars Piguet - 26400AU.OO.A002CA.01

Posted at

May 11, 2026, 10:19 PM

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Audemars Piguet Royal Oak Offshore Limited Edition 26290RO.OO.A001VE.01 ♦️Lightly Used 2010♦️

Audemars Piguet - 26290RO.OO.A001VE.01 · $36,200

This Audemars Piguet Royal Oak Offshore Limited Edition is a lightly used model from Q4 2010, featuring the Calibre 65 movement and coming with its full set of box and papers.

Condition: Lightly Used
Year: 2010
Case size: 40mm diameter
Calibre: Calibre 65

Posted at

May 11, 2026, 4:49 AM

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Audermars Piguet Royal Oak Offshore “Safari” 26170ST.OO.D091CR.01 42mm Stainless Steel Full Set w/ Both Straps

Audemars Piguet - 26170ST.OO.D091CR.01 · $19,850

A highly collectible 'Safari' edition from the Royal Oak Offshore line, featuring a rugged stainless steel case and a warm ivory dial.

Condition: Excellent Pre-owned condition
Case size: 42mm diameter
Year of production: 2008
Movement: AP's In-House Calibre 3120 Automatic Self Winding Chronograph

Posted at

May 11, 2026, 12:06 AM

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Audemars Piguet Royal Oak Chronograph Blue Dial 26320ST

Audemars Piguet - 26320ST · $45,000

This is a blue dial Royal Oak Chronograph with a 41mm x 11mm case and a 52mm lug to lug. It features an automatic movement, chronograph function, date window with quickset, sapphire crystal, and 50M water resistance.

Condition: Very Good (VG), minor signs of use on the case, minor patina/discoloration around the subdials
Case dimensions: 41mm x 11mm
Lug to lug: 52mm
Movement: Caliber 2385 automatic movement, 40 power reserve

Posted at

May 9, 2026, 3:03 PM

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Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 Beige Dial 43mm 26420CD.OO.A029VE.01

Audemars Piguet - 26420CD.OO.A029VE.01 · $86,995

This watch features a beige dial with blue sub-dials and ceramic bezel, set against the bold Offshore silhouette.

Condition: Brand new
Case size: 43mm
Dial color: beige
Movement caliber: Calibre 4401

Posted at

May 9, 2026, 8:18 AM

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