Francis Chichester is documented wearing the Rolex Oyster Perpetual. Each watch below links to its strap size and story.

Rolex Oyster Perpetual 1966

Carried an Oyster Perpetual chronometer on his solo round-the-world voyage; he said it was knocked off his wrist several times without damage.

18 mm

Most common strap size on this line: 18 mm

Source: Rolex

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