Chris – very nice and still very rare clock!

I get a lot of clocks that were painted white or gold in the 60’s and 70’s as well as many bulkhead clocks that were painted around on the wall.

I tend to use 0000 wire wool and increasing solvents to find the point that the paint lifts but not any layers below it. So starting with meths, then turps and then 3M 08984 ( always useful for removing sticky labels) then standard thinners and final option is Synchem strippit.

You need to wet the surface for a minute or two and gently wipe with the fine wire wool to see if it is lifting any paint. Then wipe off and try the stronger solvent etc. 

It helps being a chemist.

Good luck.