Casio G-Shock Men's Watch GA-B2100MF-1A Shock Resistant Tough Solar Mobile Link Bluetooth BABY-G DIGITAL VO2 max calculation and other

VO2 max calculation and other data analysis capabilities use a library by FIRSTBEAT

Measurement start time Setting range: 1 minute to 24 hours (incremented by 1 minute / 1 hour)

Black Casual Classic Watch with a Resin Band

ready to ride the waves anywhere in the world

equipped with 1/100 second stopwatch

Casio G-Shock Men's Watch GA-B2100MF-1A Shock Resistant Tough Solar Mobile Link Bluetooth BABY-G DIGITAL VO2 max calculation and otherFeatures ANALOG DIGITAL 2100 Series Bold black meets vibrant color in these tough G SHOCK watches with fluorescent accents. The matte black bezel and band contrast stylishly with touches of vivid blue, pink, and yellow on the hands, hour markers, and dial marks, transporting you to a virtual world. Playful and bold, these designs will crush in any fashion scene. Choose your favorite of five timepieces the GA 100, GA 110, or GA 700 with large case; the