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Audemars Piguet

Royal Oak Offshore Selfwinding Chronograph 43

26420SO

The Offshore's bold 43 mm statement, refined in steel and black ceramic.

Estimated market value
$30,000
Confidence: Moderate

An estimate from current market data — not an offer. Your actual value depends on condition, completeness, and authentication.

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Overview

The Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 43 reference 26420SO is a contemporary expression of the Offshore line's signature oversized architecture. Its 43 mm stainless steel case is anchored by a black ceramic bezel, pairing industrial toughness with the collection's unmistakable sporting character. The dial's Méga Tapisserie pattern — a scaled-up evolution of the Royal Oak's classic Petite Tapisserie — is offered across black, blue, and grey variants, each housing a trio of chronograph subdials.

History

The Royal Oak Offshore was first introduced in 1993 as a deliberately larger, more assertive counterpart to Gerald Genta's original 1972 Royal Oak. The 26420SO entered production in 2019, representing Audemars Piguet's continued refinement of the Offshore formula with updated case architecture and the in-house calibre 4404. The reference sits within a long-running line that has consistently attracted collectors drawn to the intersection of haute horlogerie and robust sports-watch design.

Notable points

  • 43 mm stainless steel case with an integrated black ceramic bezel — a material pairing that resists scratching and deepens the Offshore's aggressive aesthetic.
  • Powered by Audemars Piguet Calibre 4404, an in-house selfwinding chronograph movement.
  • Méga Tapisserie dial is a bold, large-scale interpretation of the Royal Oak family's iconic guilloché motif.
  • Available in multiple dial colours — black, blue, and grey — each offering a distinct character within the same reference.
  • Continues the Offshore tradition of pushing the boundaries of the Royal Oak's original design language with a pronounced, tool-watch sensibility.

Specifications

Brand
Audemars Piguet
Collection
Royal Oak Offshore
Reference
26420SO
Years of production
2019 – present
Case
43mm Stainless steel, black ceramic bezel
Case material
Stainless steel with black ceramic bezel
Case diameter
43 mm
Movement
Cal. 4404
Crystal
Sapphire
Dial
Méga Tapisserie with subdials (black, blue, grey)
Bezel
Octagonal black ceramic with 8 hexagonal screws
Bracelet / strap
Rubber strap with interchangeable system
Water resistance
100 m
Power reserve
70 h
Complications
Chronograph, Date
Type
Chronograph
Worn as
Men's
Also known as
ロイヤルオークオフショア, オフショア, 离岸型, 皇家橡树离岸型, 离岸

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