Lug-to-lug 54.1 mm 2.13 in
Case 42 mm 1.65 in
Thickness Not provided Not provided
Lug width Not provided Not provided
Wrist fit analyzer
Fit reference
Flat wrist width54.1 mmFit ratio1.00
Too smallIdealLargeToo large
Large
Likely to wear near the wrist edge; case shape and strap angle matter.
Sources
- https://watch.the1916company.com/videos/audemars-piguet-royal-oak-offshore-chronograph-volcano-26170st-oo-d101cr-01
The 1916 Company directly measures the exact reference at 54.1 mm lug-to-lug.
- https://ineichen.com/auctions/special-27/46/
Ineichen auction page independently confirms the exact reference at 42 mm diameter and a rounded 54 mm lug-to-lug.
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