An 18ct. gold open faced keyless lever chronograph pocket watch, circa 1880, white enamel dial with Roman numerals, subsidiary seconds, outer seconds divided into fifths, three quarter plate matt gilt movement signed Bell Brothers, 16 St.Sepulchre Gate, Doncaster, No.7365, screwed in jewels, blued steel screws, gold cuvette, plain case with London marks for 1880, diameter 50mm.