G-Shock Black & Yellow Caution Series GAB001CY-1A Casio Data Bank It also has a battery

It also has a battery life of about two years even when using multiple functions every day

Choose your favorite — the octagonal GA2100AH or the classic digital DWB5600AH with Bluetooth

Sync with your smartphone via Bluetooth® for precision timekeeping

the watch brand that is constantly setting new standards for timekeeping toughness

A watch that goes with you all the way from the wild outdoors to the inner city

G-Shock Black & Yellow Caution Series GAB001CY-1A Casio Data Bank It also has a batteryTurn heads and grab attention with a rugged timepiece boasting a bold, eye catching black and yellow colour scheme. Tough, yet stylish designs feature basic black, accented with touches of the bright yellow used for emergency rescues and safety signs. A cool, versatile look that complements both casual and work styles.