G-Shock GM6900-1 Watch. G-SHOCK, which has been setting the standard for timekeeping toughness and durability since 1983, announces new GM-6900 Series watches with stainless steel metal bezels. This new model, which fit right in with both high-elegance luxury fashions and modern street fashions, come on the heels of the GM-5600 Series with metal covered bezels. Case/bezel material: Resin/Stainless steel. Resin Band. Shock Resistant. Mineral Glass. 200-meter water resistance. Electro-luminescent backlight. Flash alert. 1/100-second stopwatch. Imported.