Casio GWRB1000-1A1 G-Shock Gravitymaster Men's Watch Black Carbon Fiber
- TRIPLE G RESIST (Shock resistant, Centrifugal force resistant, Vibration resistant).
- Sapphire crystal with non-reflective inside surface coating.
- Easy reading even in the dark Super Illuminator (high-brightness LED light).
- Mobile link (Wireless linking using Bluetooth).
- 27 time zones, Home city time swapping, auto summer time (DST) switching.
- Power Saving (hands stop to save power when the watch is left in the dark).