Penelope Andrews
Head of Department
Sold for £45,000 inc. premium
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During the 1930's the Royal Italian Navy started discussion with Panerai for the design of a watch resistant to extreme conditions while at the same time keeping accurate time.
From approximately 1938 onwards the reference 3646 was produced. The size, 47mm, was one of the largest of its kind. The manual wind Cal.618 movements and waterproof cases were supplied by Rolex; the dials were formed of two discs, a lower one coated with luminous material which was visible through the cut out numerals in the black upper disc. This is known to collectors as the 'Sandwich dial'.
Please note this watch does not have a sandwich dial. The dial is inserted with luminous material.