Casio CA-53WF - Can you tell the time on Casio's new version of its classic calculator watch? - YouTube
Casio CA-53W (437) Calculator Unisex Watch - Black vintage , run 702679462676 | eBay
How to set the time and date on a Casio CA-53 (with video and review) - menga.net
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