French 18K yellow gold pocket watch with chain Circa 1870

Gold cylinder watch with gold chain
–
A French 18 carat yellow gold open faced pocket watch, anonymous maker, circa 1870. It has a mechanical movement with a cylinder escapement. The white enamel dial features Roman numerals for the hours, an outer minute track, and gilt Breguet style hands. The case is decorated and numbered. The watch comes with an 18K gold chain (net weight: 24.4 g).
–
Diameter: 42 mm
–
Weight: 45.4 g
–
Signed: No name