Here is an early example of an 8 day brass movement weight driven clock by Seth Thomas.
Seth Thomas s.j.southworth Extra No.1 8 Day Brass Clock With Key
Vintage Seth Thomas 8 Day Westminister Chime Clock
Early Seth Thomas 8 Day Brass Movement Weight Clocks
Large Clock. Clock Gongs on the Hour only. It Gongs the amount of hour it is on. Works Great. But, when it stopped, and I restarted I had to reset. Do
Vintage Eight Day Brass Clocks Made by Seth Thomas Weights Driven Pendulum Clock
Seth Thomas WW II US Navy Deck Clock No. 1
Stunning Antique Seth Thomas Mantel 8 Day Clock Ca 1910 / 15 With
Restored Antique Seth Thomas Plymouth Mantel Radio Shaped Wood
Seth Thomas Arcade 30 Day Gallery Clock
Eight Day Weight Clock - Seth Thomas
Early Seth Thomas 8 Day Brass Movement Spring Clocks
Vintage clocks by Seth Thomas (United States) - price guide and values
The shelf clock – what is it, exactly? – Antique and Vintage Clocks
Antique Seth Thomas Shelf Clock C.1850
Lot - WALL CLOCK - Seth Thomas No 2 Regulator, in cherry, with
Seth Thomas Crystal Regulator 8 Day Strike circa 1910