I have shown this month it is very convenient and easy to use, I will say that usage seems natural notice.le not need the big downside is that the c of the watch case and glass are plastic, so after one month of use the box and glass are n rayes.je not imagine in what condition will this watch in a year, I'll prefer to pay 20 euros more and have a steel case and a watch glass have verre.j an old casio 8 years impeccable.pour is complete I will say that the bracelet which is in steel is very convenient