This is a very cool clock. It is hard, reliable, and gets the job done. The atomic clock synchronizes the function to an atomic clock in Fort Collins, CO every night (it tries to four times). Part of the solar system ensures that you never have to change the battery. I love how the display of the clock is reversed, it does not make it more readable (actually kind of the opposite), but it's pretty cool. The clock crystal recessed so that scratching it will be very difficult. The clock has some weight, but it is not too difficult. The clock is a big however, and you may have a problem getting them under one arm. Otherwise, a great buy and decent price (I got from Costco for $ 80).

Product Description

Multi-Band (2) Atomic Timekeeping (US/Japan) Tough Solar Power Shock Resistant 200M Water Resistant Auto EL Backlight World Time 5 Alarms Stopwatch Black IP bracelet, Blue IP Bezel