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. first-class materials and excellent craftsmanship ensure long-lasting durability.