Swiss gold pocket watch with matching châtelaine Circa 1790

Gold châtelaine with a coat of arms
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A fine Swiss, 18 carat gold and enamel pocket watch, circa 1790. With a very fine multicoloured gold, enamel, and pearl set châtelaine in the form of the coat arms with gold and enamel seal and key. To the Allied Coat of Arms of a French member of the Valori-Rustichelli Family originally from Tuscany. The back is enamelled with a scene of cherubs seated on clouds, outer border black enamel decoration, polished bezel.
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An extremely finely chased châtelaine with varicoloured scrolls and articulated flower swags, black onyx, enamel and pearls seal fob, matching key. Painted enamel coat of arms, surmounted by a coronet. Enamelled engraving A Nostro Sanguine Caesares forming a decorative coat of arms. Gold dial with Roman numerals, outer dot minute divisions and steel Breguet hands. Matte gilt, full plate movement, cylindrical pillars, fusee and chain, verge escapement with micrometric potence adjustment, brass balance, flat balance spring, continental cock with polished steel endplate, silvered regulation dial.
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Diameter: 29 mm
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Signed: No Name
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A Nostro Sanguine Caesares [dal nostro sangue i Cesari] is the motto of the Valori House, one of the oldest and most illustrious of the Republic of Florence, a family originally native to Rome. This châtelaine was probably made for the marriage of one of the princes of Valori-Rustichelli, who members were active in France and Toscana in the 19th century, notably Charles-Ferdinand- Louis Valori-Rustichelli d’Estilly (1820-1883), poet and art connoisseur, or his son Taldo-Anne-Zosime-Claude de Valori-Rustichelli (1852-1891), French military, or his brother, Henri-Francois de Valori-Rustichelli de Montglat (1831-1898), French musician and writer.