Great news! At least for me, 2182 is back in action. I thought something broke when it hummed but the hands didn't move. Then it stopped humming. Swapped batteries with my other accutron and away she went. I should have done that to begin with. I was going to check the battery voltage when it first stopped but I couldn't find my multi meter. I also assumed that it had a new battery when I bought it 5 months ago, bad assumption.
So enough power to hum, but not enough to keep time.
Time to order some batteries.
So, the circuit seems okay, the tuning fork hums, that is encouraging. But, the watch doesn’t keep time. Does the sweep seconds hand turn, but the minute and hour hands don’t move? That usually indicates a symptom of a common fault with Accutron 218 and derivative models.
It works fine now and has kept time for the last hour to the second.
The white mark is a mystery, under a loupe it appears to be paint. A mistake or defect in manufacture?
I found my multimeter and old battery measures 0.459V, so no good. It was just a dying battery.
as oppose to an American made Accutron movement ... ur watch as a SWISS a made (assembled) movement
If I recall correctly all the black bezel versions are Swiss made.