I took it out of the box and it was runing with correct time and date. The operation of the watch is real straight foward. The instructions should explain  how to adjust the band. I did not want to damage the band and went to a jewelry store to have the band adjusted. It is so simple and I felt like a dummy when it was demonstrated. Keeps excellent time. The time is exactly the same as my atomic clock. I travel a lot international and the time zones are easily changed on the watch.