Wife has a Seth Thomas wall clock battery movement hermle2215 pendulum Westminster chimes Changed the batteries 2 C cells. First problem was I didn't use Dura cell brand seems that is the only only that works in these movements due to the way the contacts are made. The other brand batteries have plastic shrink wrap labeling over the bottoms of their brands. I checked and they really do interfere with contact.
well long story short.
I cleaned the contacts, and adjusted the angle so they gripped the cells tighter. Put new cells in and it won't operate properly. works for a while then slows up really bad. Chimes work all the switches work, chime choice 2 plus off, quarter or hour chime, plus the night chime, or off at night.
I have found one seller of the above Hermle 2215 movement $109.99 US she only paid $189.00 for the clock 10 years ago.
Any of you clockers have any hints or suggestions.