G-Shock GST-B200 / 5608 / Small Case with Carbon Core Guard Structure
GST-B100-1AJF Casio G-Shock
G-Shock GST-B400 is a slimmer G-STEEL watch
Casio G-Shock GST-B400 G Steel — Classy, but still tough - YouTube
CASIO G-SHOCK G-STEEL GST-B 100-1AJF Smartphone Link Men's Watch Japan NEW | eBay
Field Report: G-Steel GSTB400
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! :
The Slimmest G-Shock Yet: Introducing the G-Steel GSTB400-1A | WatchTime - USA's No.1 Watch Magazine
Casio G-Shock - Thin Case - Tough Solar - Limited Edition watch - GSTB – Altivo