Swiss iron pocket watch with minute repeater Circa 1915

Pocket watch in blued iron case  
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An iron pocket watch with a minute repeater, made in Switzerland circa 1915. The open faced plain case of this watch is crafted from blued iron and the white enamel dial has Arabic hour numerals with red gold hands and a subsidiary seconds dial at six o’clock with a black hand. The movement with a minute repeater has a Swiss lever escapement.
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Diameter: 52 mm
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Weight: 93 g
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Signed: No name