POCKET WATCH WITH BLUE ENAMELS AND DIAMONDS, SWISS CIRCA 1860 33 mm diameter yellow gold case, hallmark 18k, decorated with translucent blue enamel on a guilloché background, in the central part a champlevé blue enamel band with a fancy-cut diamond rosette in the centre. White enamel dial with Roman numerals, Breguet-style hands, signed dust cover, movement with cylinder escapement, key winding (supplied at the time). Watch currently running. Weight approx. 23 g. AN ENAMELS 18K OPEN FACE POCKET WATCH, SWITZERLAND 1860 CIRCA