Found this AX-210 in a box of stuff my dad gave me. Just needed a battery. Not the original band unfortunately but the speaker and light both work! : r/casiovintage
Vintage SS Casio Melody Alarm AX-210 | Bangkokjunkman.com
Vintage Casio AX-210 Digital Alarm Chronograph Watch Module - Etsy
File:Casio AX-1.jpg - Wikimedia Commons
Casio AX-210 melody watch : r/casiovintage
Vintage Casio AX-210 LCD Melody Alarm Replacement Module 80er Made in Japan | WatchCharts
CASIO AX-210 MELODY watch vintage lcd digital Digi-King 1980 80er PARTS REPAIR | #1779188027