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

Reference 25820SP.OO.0944SP.02

About this watch

The Audemars Piguet Royal Oak Perpetual Calendar is a masterpiece that encapsulates the brand's ethos of luxury, precision, and innovation. This stunning timepiece boasts a rich dark blue dial perfectly contrasting with gleaming stainless steel and platinum casing, striking a balance between presence and subtlety. The manual finishing of the movement's bridges showcases the brand's traditional watchmaking skills, while the perpetual calendar automatically adjusts for months with different lengths and leap years. With its advanced movement featuring an extra-thin design, 40-hour power reserve, and 21,600 vibrations per hour, this watch is a testament to Audemars Piguet’s dedication to craftsmanship.
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MSRP: $46,400
Market Price: $96,701

Key Features

  • Audemars Piguet caliber AP 2120 / 2802 automatic movement
  • Extra-thin design with 40-hour power reserve
  • 20-meter water resistance
  • Dark blue dial with stick and dot indexes
  • Moon phase indicator with Physical Vapor Deposited metal on sapphire
  • Perpetual calendar with automatic date, day, leap year, month adjustment
  • 39.00 mm diameter and 9.30 mm height

Specifications

Brand
Audemars Piguet
Family
Royal Oak
Model
Royal Oak Perpetual Calendar Stainless Steel / Platinum / Dark Blue
Reference
25820SP.OO.0944SP.02
Movement
ap-2120-2802
Movement Features
  • Hours, Minutes
  • Date, Day, Leap Year, Month, Perpetual Calendar
  • Moonphase
Case
39mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
20

Current Listings

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

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

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
Active
[WTS] Audemars Piguet Royal Oak Chronograph Blue Dial 26320ST

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
Active
[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

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
Active
[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

The Audemars Piguet Royal Oak Offshore Diver is a rugged evolution of the Royal Oak DNA, built for 300m of depth without breaking a sweat. It features a grey 'Méga Tapisserie' dial and an in-house Calibre 4308 visible through the sapphire caseback.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Water resistance: 300m (30 ATM)
  • Movement caliber: 4308
Posted at
May 9, 2026, 8:17 AM
Active
[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

A 44mm rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph with a smoked grey dial.

  • Condition: like new condition
  • Case size: 44mm diameter
  • Movement caliber: 3126/3840
  • Power reserve: 50 hours
Posted at
May 8, 2026, 8:06 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Limited Edition  26290RO.OO.A001VE.01 ♦️Lightly Used 2010♦️

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

A Limited Edition 2010 Audemars Piguet Royal Oak Offshore is for sale, complete with box and papers.

  • Condition: Lightly Used
  • Year Of Production: 2010
  • Serial Number: none provided
  • Set Included: Full set (box & papers)
Posted at
May 8, 2026, 3:11 AM
Active
[WTS] Audemars Piguet Royal Oak 50th Anniversary, Silver Dial 15500ST.OO.1220ST.04 ♦️Lightly Used 2022♦️

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

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

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

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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