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

Reference 25820ST.OO.0944ST.05

Audemars Piguet Royal Oak Perpetual Calendar Stainless Steel / Blue

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar is a masterpiece of horology, blending tradition with modernity in a stunning stainless steel case paired with a striking blue dial. The 39 mm diameter strikes a perfect balance between boldness and elegance, while the tapisserie pattern on the dial catches the light beautifully. Crafted from high-quality stainless steel, this watch not only looks fantastic but is also built to last. The sapphire crystal glass adds to its robustness, providing scratch resistance and clarity. At the core lies the Audemars Piguet caliber AP 2120 / 2802, an engineering marvel designed for exceptional user experience. With an automatic mechanism, it harnesses energy from wrist movements, boasting a power reserve of approximately 40 hours. One standout feature is its perpetual calendar, adjusting for months of varying lengths and leap years, while the moonphase complication adds celestial beauty. The integrated bracelet is both visually appealing and ergonomic, ensuring a snug fit on the wrist. With manual finishing of the movement and stringent quality control, each piece is a work of art. This exclusivity makes it a coveted piece among collectors, elevating your watch game to new heights.

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MSRP: $40,500

Market Price: $109,775

Key Features

Audemars Piguet caliber AP 2120 / 2802 automatic movement
Perpetual calendar with leap year and month adjustment
Moonphase complication with Physical Vapor Deposited (PVD) metal on sapphire
Sapphire crystal glass for scratch resistance and clarity
39 mm stainless steel case diameter
9.30 mm height for comfortable wear
20 meters water resistance for everyday use

Specifications

Brand

Audemars Piguet

Family

Royal Oak

Model

Royal Oak Perpetual Calendar Stainless Steel / Blue

Reference

25820ST.OO.0944ST.05

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 50th Anniversary, Silver Dial 15500ST.OO.1220ST.04 ♦️Lightly Used 2022♦️

Audemars Piguet - 15500ST.OO.1220ST.04 · $45,700

This is a 50th Anniversary Royal Oak model with a silver dial, dated Q4 2022 and comes with a full set including box and papers.

Condition: Lightly Used
Year: 2022
Dial color: Silver
Caliber: Calibre 65

Posted at

May 7, 2026, 1:11 AM

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[US] Audemars Piguet Royal Oak ‘Jumbo’ Blue Dial 39mm Stainless Steel - AP 15202st Full Set - $75,500

Audemars Piguet - 15202ST · $75,500

This listing is for a stainless steel Audemars Piguet Royal Oak 'Jumbo' with a blue dial, measuring 39mm in diameter.

Diameter: 39mm

Posted at

May 5, 2026, 9:33 AM

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MINT Audemars Piguet Royal Oak Offshore Diver Watch Only $16,900

Audemars Piguet - 15710ST · $16,900

2015-2021 J-series Royal Oak Offshore Diver with a black dial, running strong and in good working condition.

Condition: MINT
Case size: 42mm diameter
Depth rating: 200m water resistance

Posted at

May 4, 2026, 4:27 PM

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Audemars Piguet Royal Oak Offshore 43mm Titanium Blue 26420ti.oo.a027ca.01

Audemars Piguet - 26420ti.oo.a027ca.01 · $26,900

This Audemars Piguet Royal Oak Offshore is a 43mm titanium model with a blue dial. It's in near mint condition and comes with all original box and warranty card.

Condition: near mint condition
Size: 43mm diameter
Materials: titanium

Posted at

May 4, 2026, 11:22 AM

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1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract

Audemars Piguet - 56975ST · $21,800

1995 Audemars Piguet Royal Oak 120th Anniversary LE with a blue petite tapisserie dial and stainless steel bracelet.

Condition: Excellent, minimal wear
Case material: stainless steel
Diameter: 33mm diameter
Lug width: 23.5mm lug width

Posted at

May 3, 2026, 8:14 PM

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Audemars Piguet Royal Oak Offshore 15710ST.00.A002CA.02 Excellent Condition

Audemars Piguet - 15710ST.OO.A002CA.02 · $1,645

This is an Audemars Piguet Royal Oak Offshore Diver in excellent condition, running strong with healthy amplitude and accuracy.

Condition: Excellent pre-owned condition
Water resistance: 100m
Depth rating: 100m

Posted at

May 3, 2026, 2:01 PM

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Audemars Piguet Royal Oak Chronograph Blue Dial 26320ST

Audemars Piguet - 26320ST · $45,000

This Audemars Piguet Royal Oak Chronograph features a blue tapisserie dial and has a chronograph function along with a date window with quickset. It is powered by an automatic caliber 2385 movement with a 40 power reserve.

Condition: Very Good, minor signs of use on the case and minor patina/discoloration around the subdials
Movement type: Caliber 2385 automatic movement
Power reserve: 40 hours
Water resistance depth: 50m

Posted at

May 1, 2026, 12:57 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

The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 features a beige dial with blue sub-dials and a matching blue ceramic bezel, contrasting the bold Offshore silhouette. The watch is powered by the integrated Calibre 4401 movement, offering a flyback function and a full view through the sapphire caseback.

Condition: Brand new
Case Size: 43mm diameter
Movement Caliber: Calibre 4401
Power Reserve: 70 hours

Posted at

May 1, 2026, 8:35 AM

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