細節
A dual time zone and independent centre seconds pocket watch movement, Swiss, circa 1850,
engraved gold dial with two Roman meantime dials and subsidiary seconds, centre seconds, blued steel hands, frosted gilt two train movement with lever escapement, compensation balance with parachute suspension and compensation curb, diameter of dial 46mm.
engraved gold dial with two Roman meantime dials and subsidiary seconds, centre seconds, blued steel hands, frosted gilt two train movement with lever escapement, compensation balance with parachute suspension and compensation curb, diameter of dial 46mm.