Casio Telememo 30 AW-81 Men Digital Wrist Watch Ana/Digi 3 Alarm 2747 World Time | eBay
How to setting time Casio AW-80 (2747) Telememo 30 Time setting #watchservicebd - YouTube
User manual Casio AEQ-110W-1BVEF (English - 5 pages)
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