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Thanks for the kind welcomes in the introductions forum! Also for the advice, but now I must post what the problems are but no diagnosis and the causes. I appreciated the information on what battery would replace the Watch Battery 343 which was on the last battery I had in the watch. It would have been a mercury battery and those are no longer sold. One kind soul suggested an AG 10 would work, and I went to Batteries Plus to pick one up. They assured me a 389 RENATA is the equivalent and it's listed as a Silver Oxide 1.5 watch battery. The dimensions were the same (diamter and thickness) as the 343. I was excited to see if it would produce movement. But it did not. I also moved the hand with the stem but no movement happened. I attached a photo of something I noticed about 25-30 years ago when I set the watch aside, which could be a clue. There is a 3-pronged electrode inside the case, that sits almost flush to the inside atop what looks like gold colored mylar. I suppose that's an insulator. But, the electrode can swing side-to-side. I moved it carefully to one side for the photo. The 3-pronged electrode on the battery cover is mounted in the center. It occurs to me that the electode inside the caseing could be the issue but I have no experience here. I also took a photo closeup of the BENRUS case. Two lines below the stamped name it is stamped "OPEN THRU CRYSTAL". Maybe fools rush in where angels fear to tread. I have seen watch crystal lifts, but don't own one. I know I would need that and some tools to begine this. It will of course have repairs beyond my newbie abilities. ShouldI gather a few tools and learn now? I'm not in a hurry and I certainly know a tool or tools is not part os the repair cost. But if buy the tools and treat this what like a medical cadaver to learn some things is that worthwhile? And maybe, just maybe, I can bring Frankenstein back to life. Mark