My Casio GST B300! Absolutely love this watch. But feels a bit thick sometimes 😬. saving up to get the GST B-400 which I guess is way thinner than this model! :
GST-B300 - maybe battery replacement? Info in comments. : r/gshock
CASIO G-Shock G-STEEL GST-B300 - Novità 2020
CASIO G-Shock G-STEEL GST-B300 - Novità 2020
G-STEEL - GST-B300 | CASIO
CASIO G-SHOCK ORIGINAL REPLACEMENT BAND GST-B300 | Starting at 56,90 € | IRISIMO