Antique 160 yr old Tissot Rare Mechanical Watch Gold Helvetia Runs Great

Tissot Collectors Mechanical Watch Gold Helvetia Keeps Great time Great condition Cannot guarantee accuracy it is over 150 years old Manufactured between 1850 and 1856 according to Tissot Serial number dating. Exceptional condition for its age. Serial number 10902 chs tissot & fils tank mechanical CHs Tissot & Fils. It has a" Hallmark" and a Serial No on the inside of the rear casing. It still works perfectly