Audemars Piguet Royal Oak Offshore Royal Oak Offshore Diver Stainless Steel / Blue

Reference 15720ST.OO.A027CA.01

About this watch

The Audemars Piguet Royal Oak Offshore Diver model 15720ST.OO.A027CA.01 is a masterpiece of luxury watchmaking, blending craftsmanship and style with robust functionality. At its heart lies the Caliber AP 3120 automatic movement, boasting 280 parts and a 60-hour power reserve. The striking blue dial features stick and dot indexes, ensuring readability and style. With a water resistance of 300 meters, this watch is perfect for diving enthusiasts and those who appreciate the finer things in life. Its bold design and rich history make it a must-have for serious watch collectors.
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MSRP: $30,500
Market Price: $25,116

Key Features

  • In-house Caliber AP 3120 automatic movement with 280 parts
  • Stunning blue dial with stick and dot indexes
  • 300m water resistance, perfect for diving enthusiasts
  • 42mm stainless steel case with ceramic bezel and crown
  • Sapphire crystal glass ensures scratch resistance
  • 60-hour power reserve for reliable timekeeping
  • Robust rubber strap for comfort and durability

Specifications

Brand
Audemars Piguet
Family
Royal Oak Offshore
Model
Royal Oak Offshore Diver Stainless Steel / Blue
Reference
15720ST.OO.A027CA.01
Movement
ap-3120
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
42mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

The Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 is a brand-new 2025 release with a bold design and ceramic build.

  • Condition: Like new
  • Movement caliber: Calibre 4404
  • Case size: 42 mm diameter
  • Case thickness: 15.3 mm
Posted at
Apr 17, 2026, 8:26 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

This watch is a 44mm rose gold and black ceramic masterpiece from AP with a smoked grey dial.

  • Condition: like new condition
  • Case material: ceramic
  • Bezel material: 18k Rose Gold
  • Dial color: smoked grey
Posted at
Apr 17, 2026, 8:25 AM
Active
[WTS] 2020 Audemars Piguet Royal Oak Offshore Diver – "ADMIRAL" – Ref. 15710ST.OO.A010CA.01

2020 Audemars Piguet Royal Oak Offshore Diver – "ADMIRAL" – Ref. 15710ST.OO.A010CA.01

The Audemars Piguet Royal Oak Offshore Diver features a 42mm stainless steel case with the signature Royal Oak Offshore architecture and integrated crown guards.

  • Condition: Pre-owned, recently serviced
  • Case Size: 42mm diameter
  • Case Material: Stainless Steel
  • Dial Color: White with Blue Accents
Posted at
Apr 16, 2026, 5:30 PM
Active
[WTS] 2015 Audemars Piguet Royal Oak Offshore 26470ST “Safari” Full Set - Extra Strap $21,075

2015 Audemars Piguet Royal Oak Offshore 26470ST “Safari” Full Set - Extra Strap $21,075

The Audemars Piguet Royal Oak Offshore 'Safari' features a warm ivory dial with brown subdials and a matching brown strap, creating a rugged yet refined look.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm diameter
  • Movement: Automatic Chronograph
  • Dial: Ivory 'Méga Tapisserie' with brown subdials
Posted at
Apr 16, 2026, 3:11 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore “Vampire” 26470ST 2017 Papers + AP Case + extra strap $20,599

Audemars Piguet Royal Oak Offshore “Vampire” 26470ST 2017 Papers + AP Case + extra strap $20,599

Audemars Piguet - 26470ST · $20,599
The 'Vampire' Royal Oak Offshore configuration features a deep black dial, bold red accents, and ceramic bezel for an aggressive look. This 2017 example presents well with Audemars Piguet papers, AP case, and multiple strap options.

  • Condition: Excellent pre-owned condition
  • Case Size: 42mm
  • Case Material: Stainless Steel
  • Movement: Automatic Chronograph
Posted at
Apr 16, 2026, 3:07 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore Titanium "Beast" 25721TI - Full Set with Box & Papers

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
Posted at
Apr 15, 2026, 8:19 PM
Active
[WTS] Audemars Piguet Royal Oak Offshore 26170ST, 2011 $15.4k

Audemars Piguet Royal Oak Offshore 26170ST, 2011 $15.4k

Audemars Piguet - 26170ST · $15,400
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
Posted at
Apr 15, 2026, 10:36 AM
Active
[WTS] 2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

2023 Audemars Piguet Royal Oak Offshore Diver, Blue Dial 15720ST — Like New Condition, Box & Papers

Audemars Piguet - 15720ST · $25,000
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
Posted at
Apr 15, 2026, 9:34 AM
Active
[WTS] Audemars Piguet Royal Oak Offshore Chronograph, 26170ST.OO.D101CR.03 ♦️Lightly Used Undated♦️

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
Posted at
Apr 13, 2026, 3:36 AM
Active