An 18ct. gold open faced keyless lever pocket watch, Breguet, No.2160, circa 1890, white enamel dial signed Breguet 2160, Roman numerals, outer Arabic five minutes, subsidiary seconds, frosted gilt movement jewelled to the third, wolf's tooth winding, bi-metallic compensation balance, signed and numbered gold cuvette, case with engraved monogram, diameter 46mm.