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.
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] Audemars Piguet Royal Oak Offshore Titanium "Beast" 25721TI - Full Set with Box & Papers](https://preview.redd.it/mcrty7u81gvg1.jpg?width=640&crop=smart&auto=webp&s=ed765891372fbc000507ae40e20432216ba6700c)
Audemars Piguet Royal Oak Offshore Titanium "Beast" 25721TI - Full Set with Box & Papers
The seller is listing a black dial Audemars Piguet Royal Oak Offshore 'Beast' in titanium that they purchased from eBay but don't want due to it being too big on their wrist. It comes as a full set with box and papers.
- Condition: Good
- Case material: Titanium
- Bracelet material: Titanium
- Size: 42mm diameter
![[WTS] Audemars Piguet Royal Oak Offshore 26170ST, 2011 $15.4k](https://preview.redd.it/2pcuflh48dvg1.jpg?width=640&crop=smart&auto=webp&s=6a6aea099318fbe236c8a4700b6e8740292e0d81)
Audemars Piguet Royal Oak Offshore 26170ST, 2011 $15.4k
This is a Royal Oak Offshore watch from Audemars Piguet, with a stainless steel case and a sporty design. It features a 2011 model reference number 26170ST.
- Condition: Preowned
- Shipping: $100 + tariffs/duties included in price
- Payment Methods: Wire or Credit Card (+4.9% & 4 days clearance)
- References: 290+ verified sales, @worthytimeholdings on Instagram, Worthytime Holdings on Google page, and u/pacodo on r/tudor
![[WTS] 2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers](https://preview.redd.it/8hx3ynczg2rg1.jpeg?auto=webp&s=b00815994a188e3ff1cdea8b9503c9fbd9a22bb5)
2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers
The Audemars Piguet Royal Oak Offshore Diver combines the rugged Offshore aesthetic with refined finishing, featuring a vibrant blue dial and an inner rotating dive bezel. It has a stainless steel case paired with AP's interchangeable strap system and an in-house automatic movement for reliable performance.
- Condition: Like new condition
- Case diameter: 42mm
- Lug to lug: 52mm
- Thickness: 14.2mm
![[WTS] 2013 Audemars Piguet Royal Oak Chronograph 42mm 26170ST — Excellent Condition, Box & Papers](https://preview.redd.it/p01fqxb7ontg1.jpeg?auto=webp&s=541416d89ab9b33247c2e45b67cc9e3f8a35fbbe)
2013 Audemars Piguet Royal Oak Chronograph 42mm 26170ST — Excellent Condition, Box & Papers
The Audemars Piguet Royal Oak Chronograph 42mm features a crisp white dial, blue chronograph subdials, and a stainless steel case with an octagonal bezel. This watch has a bold and iconic design, combining sport and practicality.
- Condition: Excellent condition with light signs of wear
- Case size: 42mm diameter
- Lug to lug: 54mm
- Thickness: 14mm
![[WTS] Audemars Piguet Royal Oak Tourbillon Chronograph 44mm 26377SK.OO.D002CA.01 Complete Set](https://preview.redd.it/g24jkuhiayug1.jpeg?auto=webp&s=7ac4c311466c85fc8fa1f01a0ab8130ca64ad978)
Audemars Piguet Royal Oak Tourbillon Chronograph 44mm 26377SK.OO.D002CA.01 Complete Set
This 44mm Royal Oak Tourbillon Chronograph features a black 'Méga Tapisserie' dial and exposed tourbillon at 6 o'clock, with a rubber-clad bezel providing an industrial contrast against the brushed stainless steel case.
- Condition: Excellent condition with little to no signs of wear
- Case size: 44mm
- Case thickness: 13.2mm
- Movement caliber: 2889
![[WTS] Audemars Piguet Royal Oak Offshore Chronograph, 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️](https://preview.redd.it/ma3ejn4ivwug1.jpg?width=640&crop=smart&auto=webp&s=0957c9476a04caf934dc2e08a9cc464a0729927f)
Audemars Piguet Royal Oak Offshore Chronograph, 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️
This is a black dial Audemars Piguet Royal Oak Offshore Chronograph, a model known for its sporty and elegant design, featuring a rubber strap with a DB buckle.
- Condition: Lightly Used
- Band type: Rubber
- Buckle type: DB buckle
![[WTS] 1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract](https://preview.redd.it/60dcuqm94uug1.jpg?width=640&crop=smart&auto=webp&s=87ce896b9d09cba25b2ad328fba4333e00f36cf9)
1995 Audemars Piguet Royal Oak 120th Anniversary LE ref. 56975ST w/ Box & Extract
This is a rare 1995 Audemars Piguet Royal Oak 120th Anniversary LE watch with a stainless steel bracelet, blue dial and tritium lume. The watch has been manually observed to keep accurate time and all functions are working as expected.
- Condition: Minimal wear, excellent condition overall
- Case Diameter: 33mm
- Lug Width: 23.5mm
- Thickness: 5.8mm
![[WTS] Audemars Piguet Royal Oak Offshore 42mm Chronograph Vampire Box & Strap 26470ST](https://preview.redd.it/bsn5pd3a0iug1.jpg?width=640&crop=smart&auto=webp&s=94c328cb3585fec90c03b2ff181e26f254b28f20)
Audemars Piguet Royal Oak Offshore 42mm Chronograph Vampire Box & Strap 26470ST
The Audemars Piguet Royal Oak Offshore Chronograph 'Vampire' ref. 26470ST is a highly sought-after model with a bold design and 42mm size.
- Condition: Good overall condition with minimal visible scratches
- Case size: 42mm
- Movement type: Automatic
- Crystal material: Sapphire
![[WTS] Audemars Piguet Royal Oak Chrono Black 26240st, New 2026 Full Kit $62.5k](https://preview.redd.it/vfh7bopk8eug1.jpg?width=640&crop=smart&auto=webp&s=04c1b8ec02d6a0f6c6051fd418ebc4386e16aa4d)
Audemars Piguet Royal Oak Chrono Black 26240st, New 2026 Full Kit $62.5k
The watch being listed is an Audemars Piguet Royal Oak Chrono Black, a high-end luxury timepiece with a black dial. It features a chronograph function and comes with a full kit, including the box, warranty, and manuals.
- Condition: Brand New
- Country of origin: Switzerland
- Shipping from: Singapore