CA-53W and DBC-62 differences? I can't seem to find the latter in black, so I thought I'd go with the former which doesn't have the same sentimental value, but is cheap and
ORYGINALNA KOPERTA OBUDOWA CASIO CA-62 PRODUKCJA ZAKOŃCZONA
Vintage Casio DBC-62 Databank/ Men's Watch Used Japan/ - Etsy
Hands-On: Yes, You Can Still Buy A Casio Calculator Watch - Hodinkee