Swiss 18k gold minute repeating pocket watch Circa 1891

Gold open faced lever watch 
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A pink gold open faced minute repeating pocket watch, circa 1891. Retailed by tiffany & co. Manual winding nickel lever movement, bimetallic compensation balance, minute repeating on two gongs activated by a slide at the band, white dial, painted black radial Roman numerals, blued steel hands, subsidiary seconds at 6, outer minute track, 18k pink gold bassine case and cuvette, hinged monogrammed case back, case, cuvette, dial and movement signed for the retailer.
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Diameter: 46 mm
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Signed:  Patek Philippe for Tiffany & Co.
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Accompanied by an Extract from the Archives confirming manufacture in 1891 and sale on January 15th, 1892.