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
20

Current Listings

[WTS] Credor 9300- Amazing dial, Sapphire, Onyx Crown, Royal Oak-esque bracelet, Made in Japan

Credor 9300- Amazing dial, Sapphire, Onyx Crown, Royal Oak-esque bracelet, Made in Japan

This iconic Squared-styled watch features an amazing dial with gilt hands and markers, a Royal Oak-esque H link bracelet, and is made in Japan. It has a 9300 movement, sapphire crystal, onyx crown, and measures 29mm without crown, 38mm lug to lug, and 4 mm height.

Posted at
Apr 25, 2026, 10:12 AM
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[WTS] Audemars Piguet Royal Oak 37mm Diamonds 15551OR.ZZ.1356OR.04 White 3/2026

Audemars Piguet Royal Oak 37mm Diamonds 15551OR.ZZ.1356OR.04 White 3/2026

Audemars Piguet - 15551OR.ZZ.1356OR.04 · $98,500
A 37mm Audemars Piguet Royal Oak with a white/silver tapestry dial and diamond bezel in rose gold, available as a complete March 2026 set.

  • Condition: Mint condition
  • Case size: 37mm
  • Dial color: white/silver
  • Bezel type: diamond
Posted at
Apr 24, 2026, 3:05 PM
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[WTS] AUDEMARS PIGUET Royal Oak Offshore Diver Chrono Orange 26703ST.OO.A070CA.01

AUDEMARS PIGUET Royal Oak Offshore Diver Chrono Orange 26703ST.OO.A070CA.01

Audiveris Piguet - 26703ST.OO.A070CA.01 · $27,500
The AP Royal Oak Offshore Diver Chronograph is a bold and highly functional sports watch that blends the iconic Offshore design with professional diving capability. This example features a striking orange dial with chronograph subdials, paired with an internal rotating dive bezel and a stainless-steel case.

  • Condition: Excellent
  • Case material: stainless steel
  • Band: orange rubber strap
Posted at
Apr 24, 2026, 10:20 AM
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[WTS] AUDEMARS PIGUET Royal Oak 41mm Chrono White Dial Steel 26320ST.OO.1220ST.02

AUDEMARS PIGUET Royal Oak 41mm Chrono White Dial Steel 26320ST.OO.1220ST.02

Audemars Piguet - 26320ST.OO.1220ST.02 · $35,900
This AUDEMARS PIGUET Royal Oak Chronograph features a 41mm case size, crisp white 'Grande Tapisserie' dial, and stainless steel octagonal bezel. It delivers a balanced and sporty aesthetic while maintaining refined finishing.

  • Condition: Excellent
  • Case size: 41mm diameter
  • Water resistance: 30m depth rating
Posted at
Apr 24, 2026, 9:16 AM
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[WTS] Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 Beige Dial 43mm 26420CD.OO.A029VE.01

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 a blue ceramic bezel, contrasting blue sub-dials and a matching blue rubber strap. It is powered by the integrated Calibre 4401 movement.

  • Condition: Brand new
  • Movement Type: Mechanical (Automatic)
  • Case Size: 43mm
  • Water Resistance: 100m depth rating
Posted at
Apr 24, 2026, 8:32 AM
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[WTS] Audemars Piguet Royal Oak Offshore Diver Stainless Steel Grey Dial 42mm 15720ST.OO.A009CA.01

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

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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[WTS] Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

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

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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