Swiss gold open faced minute repeating watch Circa 1910

Gold minute repeating watch
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A Swiss gold open faced minute repeating watch, circa 1910, nickel lever movement, 23 jewels, 4 adjustment, two hammers repeating on two gongs.
two-tone dial, Breguet numerals to a silvered chapter ring, gilt center, subsidiary seconds dial, 14k gold case, slide to activate the repeater at 9 o’clock, gold cuvette, movement signed Touchon and Wittnauer, case signed Wittnauer, dial later signed Tiffany & Co.
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Diameter: 45 mm
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Signed: Touchon and Wittnauer Tiffany & Co