G-Shock G-STEEL GST210B-1A9 Black/Gold From G-SHOCK, the watch brand that is constantly setting new standards for timekeeping toughness, comes new G-STEEL models with “layer guard structure.” These new models maintain world-renowned G-SHOCK toughness. GST210B, which combines a resin band with the elegance of metal. - Shock Resistant - 200M Water Resistant - Super Illuminator high-brightness LED backlight