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Black Tag Watches
Address: 20900 NE 30th Ave 10th Floor.
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Aventura FL 33180 USA
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Manage Consent
Functional Always active
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes.
The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
Pre-Owned Audemars Piguet Royal Oak Offshore Navy 42mm Stainless Steel (Ref. 26170ST.OO.D305CR.01)
The Royal Oak rewrote the rules in 1972. The Offshore broke them in 1993. Three decades later, it is no longer the outlier — it is the genre.
Available now at Black Tag Watches (Aventura, Florida), this pre-owned example — reference 26170ST.OO.D305CR.01 — is presented in mint condition with a one-year in-house warranty from Black Tag Watches.
What Is the Audemars Piguet Royal Oak Offshore Navy?
From Controversy to Genre-Defining Reference
The pre-owned Audemars Piguet Royal Oak Offshore Navy sits in direct lineage from the watch Emmanuel Gueit drew for AP in 1993 — the 25721, the reference that took Gérald Genta’s 1972 Royal Oak and scaled it into something larger, louder, and built for a generation that had not yet decided whether to take it seriously. Three decades later, the Offshore is no longer a controversy. It is the reference against which every contemporary sport-chronograph in steel is now measured, and the 26170ST is the generation that marked the inflection point — the moment the Offshore stopped being polarising and became central.
The 26170ST in Context
The reference 26170ST.OO.D305CR.01 is one of the longest-running and most collected steel Offshore chronograph configurations in the modern AP catalogue. Production ran for roughly a decade before the model line was superseded by the 26470 generation in 2014, placing the 26170 at exactly the point where collector attention has begun to firm most noticeably. For buyers evaluating pre-owned Audemars Piguet chronographs, the 26170ST represents the clearest entry into the Offshore lineage at a price point that reflects the watch’s position rather than its waiting list.
Dial & Case Design: Méga Tapisserie, Octagonal Bezel
Case Architecture and Offshore Proportions
The 42mm stainless steel case stands 14.5mm thick, with the octagonal Royal Oak bezel reinterpreted in the heavier Offshore proportions: eight hexagonal screws set into a polished and brushed surface, alternating finishes carried through the case flanks and integrated lugs. The overall geometry is emphatically Offshore — broader, thicker, and more aggressively finished than the standard Royal Oak — while remaining legible as the same Genta-originated architecture underneath.
The Méga Tapisserie Silver Dial
The silver dial carries the Méga Tapisserie pattern — the larger, deeper waffle relief unique to the Offshore line, distinct from the standard Tapisserie of the regular Royal Oak. The chronograph layout follows the Offshore canon: 30-minute counter at 9 o’clock, 12-hour counter at 6 o’clock, small-seconds at 12 o’clock, and a date aperture at 3 o’clock. Applied baton indices and AP’s signature Royal Oak hands track across the textured field, lume-filled for legibility. The silver tone shifts noticeably under light — bright in direct sun, almost grey indoors — which is part of why this configuration has proven more durable in the secondary market than coloured-dial limited editions.
Movement: Manufacture Audemars Piguet Calibre 3126/3840
The 3120 Base and the 3840 Chronograph Module
Inside the Royal Oak Offshore Navy is the manufacture Audemars Piguet calibre 3126/3840 — an automatic chronograph movement assembled from the calibre 3120 base and the 3840 chronograph module. The 3120 base, introduced in 2003, is one of AP’s most important modern automatic calibres: 26.6mm in diameter, 21,600 vph beat rate, free-sprung balance. The 3840 module sits above it, adding the 30-minute and 12-hour counters, column-wheel control, and the vertical clutch that distinguishes a proper manufacture chronograph from a modular ETA-based construction.
Why the Calibre Matters at This Price Point
For a buyer evaluating pre-owned steel sport chronographs, the 3126/3840 is the centre of the horological argument for the 26170ST. The movement is visible through the sapphire display caseback, where the AP-family-crest-engraved oscillating weight confirms the manufacture’s identity at a glance. As a technical case for the steel Offshore against similarly priced contemporary alternatives, it is unambiguous.
Movement Specifications
Specification
Detail
Calibre
AP 3126/3840, automatic
Base
Calibre 3120 + 3840 module
Components
365 parts
Jewels
59
Frequency
21,600 vph
Power reserve
55 hours
Caseback
Sapphire display
Condition, Provenance & Warranty
Documentation and No-Papers Configuration
This example is offered without its original Audemars Piguet presentation box or papers, accompanied instead by a Black Tag Watches travel case and a one-year in-house warranty. For a 26170-series Offshore, the absence of original documentation affects price more than it affects ownership: serial number, dial configuration, case work, and calibre signature are all verifiable, and AP service centres can authenticate and service the watch on the basis of the case and movement alone. Buyers prioritising completeness of set should weigh that against a fully documented example; buyers focused on the watch as object will find this configuration straightforward.
Condition and Accessories
Detail
Information
Condition
Mint
Box
No — Black Tag Watches travel case
Papers
No
Warranty
1-year in-house, Black Tag Watches
Strap
Blue rubber
Buckle
Steel AP tang buckle
Full Specifications — Audemars Piguet Royal Oak Offshore Navy 26170ST
Specification
Detail
Brand
Audemars Piguet
Collection
Royal Oak Offshore
Reference
26170ST.OO.D305CR.01
Case
Stainless steel, 42mm, 14.5mm thick
Bezel
Octagonal, eight hexagonal screws
Dial
Silver, Méga Tapisserie
Counters
30-min at 9, 12-hr at 6, small-sec at 12, date at 3
Movement
AP calibre 3126/3840, automatic
Components
365 parts, 59 jewels
Power reserve
55 hours
Strap
Blue rubber
Buckle
Steel AP tang buckle
Condition
Mint
Box & Papers
No
Warranty
1-year in-house, Black Tag Watches
Why Buy a Pre-Owned Royal Oak Offshore 26170ST?
The Pre-26470 Generation and Where Collector Attention Is Settling
Steel Offshores from the 26170 generation have firmed steadily in the secondary market over the past several years as collectors have grown more attentive to pre-26470 examples. The silver-dial configuration in particular has proven durable — neutral enough to wear across contexts, bright enough to read instantly, and broadly less affected by trend cycles than coloured-dial limited editions. Among pre-owned Audemars Piguet chronographs at this case size, the 26170ST in silver offers one of the most direct arguments for the calibre, the case geometry, and the lineage simultaneously.
Immediate Availability Against a Waiting-List Market
Against contemporary 42mm steel chronographs at retail — and against the current waiting-list reality for any new steel Audemars Piguet — this pre-owned 26170ST offers immediate availability of one of the genre-defining references at a level that rewards the patient buyer. With the calibre 3126/3840 visible through the caseback and the Méga Tapisserie reading clean under any light, the value proposition is straightforward for any serious buyer of pre-owned Swiss sport watches.
Available at Black Tag Watches — Aventura, Florida
Black Tag Watches is a pre-owned luxury watch dealer based in Aventura, FL, specialising in rare, certified, and fully documented timepieces from the world’s leading Swiss manufactures, including Audemars Piguet.
View the Audemars Piguet Royal Oak Offshore Navy — Full Details & Pricing
A steel Offshore in its most enduring configuration — quiet about the watch it is, loud about what the watch has become.
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