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Audemars Piguet

Royal Oak Offshore Diver 42 (current gen)

15720ST

The Offshore Diver refined — 42 mm of steel, depth, and Méga Tapisserie.

Estimated market value
$28,250
Confidence: High

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Overview

The Royal Oak Offshore Diver 42, reference 15720ST, represents Audemars Piguet's current-generation interpretation of its sport-diving proposition within the Offshore family. Introduced in 2021, the 42 mm stainless steel case strikes a balance between the original Offshore's assertive proportions and a more wearable everyday scale. Calibre 4308 powers the watch, delivering the precision expected of a serious diver's instrument.

History

The Royal Oak Offshore Diver line extends the legacy of Gerald Genta's iconic octagonal-bezel design into dedicated underwater territory, building on decades of Offshore evolution since the sub-line's introduction in the 1990s. The 15720ST arrived in 2021 as a thorough refresh, updating the movement and refining the case architecture while retaining the hallmark Méga Tapisserie dial texture that distinguishes Offshore dials from the finer Petite Tapisserie of the original Royal Oak. Its availability across multiple dial colours — blue, black, green, and grey — has made it a focal point for collectors who appreciate both technical credibility and aesthetic variety within a single reference.

Notable points

  • 42 mm stainless steel case with the signature octagonal bezel and integrated bracelet architecture inherited from the Royal Oak lineage.
  • Méga Tapisserie dial pattern, a larger-scale quilted texture exclusive to the Offshore sub-family, offered in blue, black, green, and grey variants.
  • Calibre 4308 movement, Audemars Piguet's in-house manufacture calibre developed for the current-generation Offshore Diver.
  • Rated for water resistance appropriate to a dedicated diver's watch, consistent with the Offshore Diver line's functional brief.
  • The 2021 introduction marked a generational update that modernised both movement and case finishing relative to its predecessor.

Specifications

Brand
Audemars Piguet
Collection
Royal Oak Offshore
Reference
15720ST
Years of production
2021 – present
Case
42mm Stainless steel
Case material
Stainless steel
Case diameter
42 mm
Movement
Cal. 4308
Crystal
Sapphire
Dial
Méga Tapisserie (blue, black, green, grey)
Bezel
Octagonal steel with 8 hexagonal screws, inner rotating dive bezel
Bracelet / strap
Rubber strap with interchangeable system
Water resistance
300 m
Power reserve
60 h
Complications
Date
Type
Diver
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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