Flip clock - parts

Clocks don’t work. Best for parts or if you want to try to fix them. Maybe be missing parts. Did not fully disassemble. Taken out of shell to take a look. 2 Copal clocks, 1 Seiko battery powered, 1 sankyo.Copal RP-162 wood grain - minutes flip and seems to keep time. Hour cards do not flip.Copal xxx beige - does not work. Mechanism looks seized. Seiko xxx red - C battery powered. Seems to keep time. Hour cards flip early.Sankyo brown - starts when you plug it in, and ends up stopping.Please let me know if you have any questions at all! outstanding for everyday use. excellent materials and excellent craftsmanship ensure long-lasting durability.