In addition to the A158W model I posted I own a mid 80's vintage model S002 that has the stopwatch, a countdown timer, 24/12h time, and dual time zone features. It still runs like it did when my Father bought it in the mid 80's. I got it when he passed away in 1992 and have worn it very extensively since then. It is not in perfect shape with a cracked crystal and a couple of areas under the crystal that look like maybe condensation that I don't know how to get rid of. I just put a new CR2325 battery in it to make the display a little darker but it was still running on the last replacement from about 6 years ago.
S002.jpg
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