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

Reference 25820ST.OO.0944ST.05

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
20

Current Listings

[WTS] [US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold 26320OR Black Dial - Full Set

[US] Audemars Piguet Royal Oak Chronograph 41mm Rose Gold 26320OR Black Dial - Full Set

This is a Royal Oak Offshore Chronograph in rose gold with a black dial, featuring an octagonal bezel and a 'Tapisserie' pattern.

  • Condition: Very Good
  • Case material: 18-carat gold
  • Bracelet material: rose gold
  • Serial number: J (2016)
Posted at
Aug 19, 2025, 5:36 AM
Active
[WTS] [US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Half  Brick Gray Rhodium Dial 26470or - Full Set

[US] Audemars Piguet Royal Oak Offshore Chronograph 42mm AP Half Brick Gray Rhodium Dial 26470or - Full Set

A fan favorite rhodium dial 'half brick' Audemars Piguet Royal Oak Offshore Chronograph in 42mm rose gold case with Mega Tapisserie patterned dial and open case back to view the 3126 movement.

  • Condition: Very Good
  • Case diameter: 42mm
  • Serial number: K serial number from 2019
  • Movement: Calibre 3126/3840
Posted at
Aug 19, 2025, 5:27 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph 'HAVANA" Watch and Bennisson Authentication Card

Audemars Piguet Royal Oak Offshore Chronograph 'HAVANA" Watch and Bennisson Authentication Card

A Royal Oak Offshore Chronograph in Havana that has been a great conversation starter, especially among AP fans. It's a daily wear watch from the seller's personal collection.

  • Condition: Very good condition with some light scratches
  • Authentication Card: Bennisson Watch in West Palm Beach
Posted at
Aug 18, 2025, 11:34 PM
Active
[WTS] 2000s Audemars Piguet Royal Oak 14790ST White Dial with AP Service Card

2000s Audemars Piguet Royal Oak 14790ST White Dial with AP Service Card

Audemars Piguet - 14790ST · $25,950
A transitional mk2 Audemars Piguet Royal Oak reference 14790ST with a white dial, measuring 36mm in diameter. It features an integrated bracelet and has been serviced by Audemars Piguet.

  • Condition: Pre-owned, signs of use on the bezel and bracelet
  • Case size: 36mm diameter
  • Bracelet size: fits up to 7.25" wrist
Posted at
Aug 18, 2025, 5:54 PM
Active
Audemars Piguet - Royal Oak - Perpetual Calendar - Titanium - 26574ti - Complete

Audemars Piguet - Royal Oak - Perpetual Calendar - Titanium - 26574ti - Complete

A rare Titanium Royal Oak Perpetual Calendar in excellent condition, complete with box and papers.

  • Condition: Excellent / Unpolished
  • Case size: 41mm
  • Strap material: Titanium
  • Dial color: Blue
Posted at
Aug 18, 2025, 3:45 PM
Active
Audemars Piguet 15710ST.OO.A002CA.01 Royal Oak Offshore Diver

Audemars Piguet 15710ST.OO.A002CA.01 Royal Oak Offshore Diver

The Audemars Piguet Royal Oak Offshore Diver is a stainless steel watch with a rubber strap, automatic movement, and 60-hour power reserve.

  • Condition: Excellent condition
  • Case material: stainless steel
  • Diameter: 42mm
  • Thickness: 13.7mm
Posted at
Aug 18, 2025, 10:23 AM
Active
AUDEMARS PIGUET ROYAL OAK JUMBO MODEL NO.: 15202ST

AUDEMARS PIGUET ROYAL OAK JUMBO MODEL NO.: 15202ST

This is a mint condition Audemars Piguet Royal Oak Jumbo watch with a blue dial and 39mm steel case, featuring hours, minutes, date, and automatic movement with 60-hour power reserve.

  • Condition: Mint (9/10)
  • Case diameter: 39mm
  • Water resistance: 50M
  • Power reserve: 60 hours
Posted at
Aug 18, 2025, 12:27 AM
Active