Casio SDB-500W: I bought this watch for 4$ at a second hand store. I really love it but I can't seem to find any information about it - if you guys got
RARE Vintage 1989 Casio SDB-500W Lap Memory Jogging Watch Made in Japan Mod. 863 | WatchCharts
Genuine Casio TS-100 SDB-500W SDB-500WX TRI-10W black rubber watch band strap 840596015763 | eBay
CASIO SDB-500W MODEL 863 I Pink Casio I Vintage Casio I 80s - Etsy