Same here. 40 year old clock keeps time better than my iphone...
Btw, isn´t the original clock quartz as well?
Probably a few years ago, someone (I'm sure it was on this forum) posted a procedure for fixing the clock. As most of them have stopped working over the years, I remember this person figured out that it was just a small fuse internally in the clock that a good DIY'er could replace themselves. If anyone remembers this (and where the procedure is) please post. I could not find it in a search of threads.
Dave L
Mine loses 2-3 minutes a week. It's mechanical - a motor winds it and then it ticks away until it cycles again.
There is a screw adjustment on the back of the clock to correct the time loss.
Probably a few years ago, someone (I'm sure it was on this forum) posted a procedure for fixing the clock. As most of them have stopped working over the years, I remember this person figured out that it was just a small fuse internally in the clock that