Swiss rare and oversized repeating pocket watch Circa 1900

Open faced watch made for J. E. Caldwell & Co., Philadelphia
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A Swiss rare and oversized repeating pocket watch with 8 days movement, circa 1900.
Nickel case; lever movement with repeating hours and 5 minutes and 8 days power reserve, repeating by pressing down the crown; signed white enamel dial with Arabic numerals, sunk subsidiary dial for the seconds and blued steel spade hands.
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Diameter: 80 mm
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Weight: 390 g
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Signed: J. E. Caldwell & Co., 8 days, 5 minute repeater