GMC-B2100BT-1ADR This G-SHOCK Full Metal GMC-B2100 Series model features a solid stainless steel band with a stainless steel case and a black ion-plated stainless steel bezel, paired with a refined black analog dial and silver-tone indexes for a bold monochrome look. Made in Japan and built with shock-resistant construction, mineral glass, Neobrite, Tough Solar power, Bluetooth smartphone connectivity, a screw-lock crown, and 200-meter water resistance, it combines premium full-metal construction with dependable everyday durability. Confirmed functions include automatic time adjustment, dual time, world time for approximately 300 cities through the CASIO WATCHES app, a 1-second stopwatch, 24-hour countdown timer, daily alarm, phone finder, full auto-calendar, battery level indicator, power saving, and Super Illuminator LED lighting, making it a sophisticated everyday and travel-focused G-SHOCK.