"The Repair Shop" TV show did a restoration on an old time clock. The innards did not look as rough as this one and may be from a different maker but it might offer some ideas.
This is a great series BTW for anyone who likes to tinker with old things. I binge watched all of the available seasons earlier this year.
--Nathan, TX. Hire the lazy man. He may not do as much work but that's because he will find a better way.