Universal 'Tri-Compax' chronographic wrist watch
1960-1986
Pocket Calender Watch without Case, 1900-1950
1900-1950
Quarter Repeating Pocket Watch in Gold Case, 1905-1915
1905-1915
Swiss Chronograph Mechanism, 1860-1880
1860-1880
Chronograph Mechanism by Arnold and Dent, 1830-1840
1830-1840
Pocket watch in silver gilt case with calendar dial
1790-1810
