A 19th century Swiss silver and yellow metal open-face top-wind Doctor's chronograph pocket watch, white enamel dial with Roman numerals, 2 subsidiary dials, sweep seconds hand and split seconds function with silver dust cover, movement no. 3333, case no. 11006, case width 58mm, working order Good overall condition, working order, dial is clean and only has 2 very faint hairline cracks running from 2 to the centre, the glass is also very clean, the case is lightly abraded all over, one of the hinges for the caseback has been renewed with a split still visible and the caseback doesn't quite close flush with the main body, chronograph functions working, hands adjust smoothly.