Took my clock all apart to see why it didnt work. Found points not adjusted properly. Adjusted points, cleaned, and lubes mechanicals. I decided to polish the face and lense. Put back together ran it for 6 hours and time was right on. This project is now done.
I did the same thing on my 66 Satellite. I use a battery disconnect on the car so not sure how well it’s holding time but it ticks right along when ever it’s powered up. Nice work.
I fixed the clock on my '64 Polara years ago by cleaning up the points on the rewind and lightly oiling it. After a while, it quit again. Yesterday, I sent it off to Instrument Specialties in RI. for a quartz conversion.