Swiss rose gold quality Extra precision watch Circa 1897

Rose gold precision watch by IWC
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A very rare Swiss 14 carat rose gold open faced quality Extra precision pocket watch, circa 1897. Movement inscribed Extra, screwed gold chatons, fine adjusting device. White enamel dial with Roman hours and outer minute divisions, subsidiary seconds, rose gold hands. Plain case. case and movement numbered.
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Diameter: 52.5 mm
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Weight: 104 g
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Signed: International Watch Co