There's a reason why they call the G SHOCK Digital Mudman Watch the toughest watch in the world, and these are just some of the many examples why. The Mudman Watch is both mud and shock resistant, water resistant to 200 m., and low temperature resistant to -4 deg. F (-20 deg. C). The G SHOCK Watch features auto dual EL backlights with afterglow, displays world time in 29 time zones (48 cities) with a city code display, and has a daylight saving on/off function. And, these are just some of the reasons to wear this digital watch when going anywhere, anytime.