Swiss gold repeating pocket watch with carillon Circa 1915

Gold hunting cased minute repeater
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Very fine and extremely rare, 18K gold hunting cased pocket watch with carillon minute repeat via four hammers, circa 1915. Carillon Minute Repeater by Constant Piguet, Sentier. Four-body, bassine, polished. Hinged gold cuvette. White enamel dial with Dauphine numerals, outer minute track, subsidiary seconds. Black steel Breguet hands. Frosted gilt movement, bar calibre, 28 jewels, counterpoised straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating the hours, quarter hours and minutes with four hammers on four gongs activated by a slide in the band. Case hallmarked and numbered, movement numbered.
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Diameter: 54 mm
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Signed: Constant Piguet  Sentier
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On March 20, 1896, Constant Piguet patented this system of minute-repeat with the carillon, under the No. 11948. Carillon minute repeating watches are very rare; only a few are known either with four hammer chimes or Westminster chimes. The makers that specialized in this type of watch were Constant Piguet, Eduard JeanRichard, and Victorin Piguet. The known tunes played by four hammer carillons are: that of the present watch, Westminster chimes, the Swiss National anthem, and God Save the King. Similar watches were sold by Antiquorum, Exceptional Horological Works of Art, Geneva, October 19, 2002, lot 8, and Important Collectors? Wristwatches, Pocket Watches and Clocks, Hong Kong, July 10, 2005, lot 83.