Seth Thomas Office Double Dial Calendar No. 1 Wall Clock. 12 in. painted dial with black Roman hour numerals & “Regulator”, blued spade hands, 14 in. lower calendar dial signed with Seth Thomas logo and “Patented Feb. 15, 1876”, has 31 date Arabic numbers and exposed Month and Day cylinders. Brass 8 day weight driven time only movement has Graham deadbeat escapement and iron side weight; movement is running and calendar mechanism is in good working order. Large rosewood figure eight style case original finish, original paper label behind the door; extra holes behind the repainted dials, calendar barrels and labels are original, pendulum and bob are replaced and missing door lock. 41.5 in. high x 19.5 in. wide x 7 in. deep. Weight: 35.5 lbs.