Rolex, a gentleman's 9ct. gold wristwatch, circa 1957,

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Rolex, a gentleman's 9ct. gold wristwatch, circa 1957,
engine turned silvered dial signed Rolex with arabic numerals, subsidiary seconds, 15-jewel Rolex Extra Prima movement timed to six positions for all climates, unsigned case with snap on bezel, London marks for 1957, diameter 30mm. possibly associated.