Swiss gold and gem set ‘Boule de Genève’ watch Circa 1900

Gold ruby and diamond set spherical keyless pendant watch
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A fine Swiss 14 carat yellow gold, ruby, and diamond set spherical pendant watch, Boule de Genève, made by J.F. Boutte, circa 1900. It has a hand wound mechanical movement with lever escapement and 10 ruby jewelled bearings, protected beneath a solid gold inner dust cover signed Qty Boutte and marked 10 Rubis. The white enamel dial shows black Arabic numerals for the hours with a distinctive red 12 o’clock marker, an outer minute track with gold dot indicators, and ornate hands.
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The timepiece is housed in a 14 carat yellow gold spherical case, Boule de Genève, made of two hinged hemispheres opening at the equator, decorated on the exterior with an engraved floral spray set with rubies and diamonds, a fluted winding crown, and a suspension loop.
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Diameter: 20 mm
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Weight: 10 g
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Signed: Qty Boutte
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Genève (Geneva Ball) watches were popular spherical pendant timepieces made in Geneva, Switzerland, around the turn of the twentieth century. Designed to be worn as decorative jewellery pendants or on a chatelaine, these compact timepieces had hinged spherical gold cases that opened to reveal a miniature watch, combining fine Swiss miniaturized horology with ornate gem set goldsmithing.
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Qty Boutte stands for Quality Boutte, a high grade trademark and quality stamp used by the Swiss watchmaker J.F. Boutte (Jean-François Boutte) based in Geneva. Active in the late 19th and early 20th centuries, the firm specialized in finely finished miniature timepieces and luxury jewellery watches for an elite international market. The inscription Qty on the dust cover served as a commercial guarantee of superior mechanical craftsmanship, complementing the complex miniaturized engineering required for specialized objects like Boule de Genève.