My wifes grandfather had a house full of grandfather clocks and i mean a house full of them like a hoarder. She got one from him not long before he passed. It worked perfect when we got it but when we moved and took the weights off it never worked right for 13 years until we moved again. Then i read the book that came with it and took it all apart. Then i bought another one that was broken for my dad and fixed it and have fixed a few at her grandmothers that stopped working since he passed.

When you disassemble number the weights in order cause they usually are different weights per hand they move or chimes. The spring is really just a thin piece of metal and usually they come with extras and need replaced the most. Do not move the clock hands forward always do it backwards and if you need to adjust forward by a minute or so swing the pendulum by hand quickly. Level it perfect. When you turn the pendulm nuts 1/2 turn equals 30 seconds per 24 hours. Up makes it faster down makes it slower on the pendulm nuts.

So when you pick it up take pictures of the way the pendulm hooks to the "spring" and number the weights and you should be good. If you have issues PM me i might be able to help depending on the issue.

interesting...ive worked on about 6 of them now and all said not to turn them clockwise but with so many styles of them out there I'm sure your 100% right. So id read the manual first. It's crazy reading these old manuals and some of the words they used and the drawings are funny usually.

Top pic is my wife's clock and bottom pic is one I fixed for my pops.

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Im not to sure of year of one i got for my dad, i got it off a older couple that didnt know how to make it work from Letgo. All that was wrong with it was somebody bent the hour hand and it was catching on the minute hand making it seem like it stopped working. The one from her grandpa is older im guessing 1950s or earlier but i looked through all the paper work and there wasnt any dates anywhere, sorta weird.

On the door you could easily cut the hole for glass and router a edge on the inside for glass to fit in and router the outside edge and get some matching stain and would look nice i think.

I was thinking that to actually as I typed it.

Mopar have you found any actual dates on the clock or in the paper work?

I see that but i dont know if I actually believe its that old honestly, thats just the model i believe unless he can verify it somewhere with a date stamp on clock or manual that might be with it.

Also if when you set it up and it chimes the wrong hours give it some time and see if it will correct itself before trying to manually fix it, they usually straighten themselves out within a few hours.

Do the weights look like pine cones? Do you want to sell it by chance? My grandma had one from Germany also and I always liked it.

It does look old faced for sure and I would like it to really be from 1799 cause that would make it even cooler in my book!

The chain might of slipped off the chime gear if it's that style mech.

There could also be a switch to turn the chime off also since your saying the weight is moving.