The GST-B300 is the first G-STEEL watch with a front button, which adopts a new Carbon Core Guard structure that delivers superior shock resistance by leveraging the lightness and outstanding rigidity of carbon fiber.

- Shock Resistant

- 200m Water Resistant

- Bluetooth

- Mobile Link functions (world time: over 300 cities, automatic time adjustment, easy watch setting, phone finder); hand shift feature; 12/24-hour format; button operation tone on/off; full auto-calendar; battery level indicator; full auto double LED light (Super Illuminator with afterglow: 1.5/3.0 seconds)

- World Time - 39 Time Zones

- Stopwatch

- Countdown Timer

- 5 Multi-function alarms

- Tough Solar power system (solar-charging system)

- Case Size 51.0 × 50.0 × 15.5 mm

New Casio Gshock Carbon Core Box Set