A 20k gold and enamel pocket watch by J-B Dutertre, the case by F. Bergs, Stockholm 1754.

20k gold and polychrome enamel. The movement by Jean-Baptiste Dutertre (master watchmaker in Paris 1735-73), the case by Frantz Bergs (jeweller in Stockholm 1725-77). Case with polychrome decoration of flowers against a background of concentric circles and "piqué" ground. White enamelled dial with Roman and Arabic numeral indices, signed "— • DUTERTRE • — / — • A. PARIS • —", the movement also signed and numbered "J - B DuTertre / No 2454 / A Paris". Verge escapement. Diameter approximately 48mm.