Hi guys, now I will tell the experiance of my used brand watch as the name was SONATA NK77004PP01.i got this watch from my friend as a birthday gift.i am really say thankyou to my friend for presenting this watch or else if I got any thing from him.but my bad luck is not good, because I found one main issue at this watch is not showing real time, it shows 10 minutes delay time.first three month I am not found any issue, but after three month I found this issue, at the time of issue it shows 5 minutes delay time slowly it was increased to show now as 10 minutes delay time.i am not able to find why this type of problem was occured in my watch, if I recorrect the time to make real time again it going to show ten or five minutes delay after some days.and also in my experiance is not user friendly because I am not able to change units manualy in quickly is Very challenging.otherwise this watch look like good and suitable for hands.