A diamond and enamel fob watch and three guard chains

A diamond and enamel fob watch and three guard chains
The fob watch with Roman numerals and minute register, the exterior of floral design set with rose-cut diamonds and black enamel, circa 1900, case 20.0 mm wide; two gold guard chains, one curb-link, the other fancy-link, circa 1900, 172.0 cm and 50.0 cm long; and a fancy-link guard chain, 70.0 cm long
Fob watch signed Calame Robert, no. 9942