I have a Casio Telememo 30 from 2004. Never opened or serviced and the battery was never changed. I got it from my grandmother for my graduation and I never took it
Casio AW80D-1AVCB user manual (English - 3 pages)
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Casio Telememo 30 AW-81 Men Digital Wrist Watch Ana/Digi 3 Alarm 2747 World Time | eBay