The watch will change the background color every 3hours.
12:00~3:00 is blue,3:00~6:00 is yellow,6:00~9:00 is red,9:00~12:00 is purple.
price and ingredients
Watch the LED lighting and opaque glass, and cubic.
The price of this fact and you can watch ₩ 45,000 from the New World Department Store.
Both can be more, but I'd like to recommend Those who want to have a different clock purchase.