An open face fob watch by Breguet. Stamped with poincon, numbered 4350. Unsigned Swiss bar keyless wind movement with cylinder escapement. White enamel dial with Roman numeral hour markers. Yellow metal case with rose-cut diamonds and cabochon rubies concentric to the case back. 26mm. 19gms. This lot was first sold in 1865 to a Mr Valais residing in Rio De Janeiro.