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Nov 28, 2018 · I bought this watch, made by National Semiconductor, as new old stock (NOS). It was completely dead and suffered from battery corrosion that went so far as to damage bond wires going to the...
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6 days ago · #1 · 3d ago. Hi people, Looking to source or perform workaround for a vintage National Semiconductor LED piece. Problem is the battery, it's basically the caseback and is secured by a ring. Please see attached picture. Any help appreciated please. 2. Like. 10. Sort by Oldest first. Andyt552. 637 posts · Joined 2023. #2 · 3d ago.
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Feb 26, 2018 · A 1985 Harvard Business School study on the global watch market described what happened: “Consumer demand for digitals began to grow in 1974, when National Semiconductor announced that it would sell an LED watch at $125, about half the prevailing price.
Dec 6, 2021 · Wondering if anyone has any experience with this particular watch. It's a National Semiconductor LED watch, model WM09N711, from the mid 1970's. I have no idea if it works. The pusher button is missing but can be replaced- but before I get to that, I would like to confirm the LED module still works.
Jun 16, 2015 · Up for sale a very rare early LCD watch from National Semiconductor (now part of Texas Instruments). The exact year is unknown, but it is likely mid to late 1970's, and is among the first mass market LCD quartz watches produced. This watch, and others like it, is what killed the LED watches.
May 8, 2004 · I'm attempting to identify the correct battery for a National Semiconductor Chronograph LCD watch that I dug up. I didn't see any particular identifiers on the back, or inside the watch when I took the back off. I've (hopefully) included some photos below.
Nov 2, 2021 · #1 · Nov 2, 2021. Hi all, I have a c. 1977 National Semiconductor LED watch that seems to have stopped working as the usual battery replacement didn't bring it back to life as expected. I cannot find anyone in town who repairs these. Anyone know a shop that does? Like. Sort by Oldest first. statsman. 243 posts · Joined 2018. #2 · Nov 4, 2021.