User manual for Casio Watch CA-53W-1CH - a user manual, servicing manual, settings and specifications ofCasio Watch CA-53W-1CH - User manuals and advice for your devices - User-Manual.info
Casio CA-53W am/pm/24 hour Time, Date & Mute Settings Demonstration by Casio Watchers - YouTube
RARE Vintage Casio DBC-1500 Digital Data Bank Calculator Watch Module 1477 | eBay