Casio DB-300 Data Bank Watch Module 671 Nerd Vintage - Etsy
Uzay Kıyma yaka casio edifice db500 çatal gemi yapımı adına
Buy Casio Data Bank Digital Black Dial Men's Watch-EAW-DBC-32-1AV at Amazon.in
Casio] found this DB 500 in my grandfather's collection. Need more information about this, is it worth anything? Should I replace the battery? : r/Watches