Battery life poor. Review on Timex Watches

This review only  on timex watch the watch over all is good but im disappointed by the battery life of my watch when I purchase the product I m so happy because the watch is good in best price is most afordable with dashing look and they also better then from other brand watch but im disappointed by his battery when I purchased it after one week is  dead and when I go to showroom they say sir this is not poosible that battery is weak in 7 days they not beleive on me and said we are not responsible for this they do when I scold the manager and say u cahnge the battery otherwise I call the police u fraud with me and I sue u for this then they change my battery  so I am so dis appointed by this and I also by the showroom of timex  how fool person are appointed a manager of timex they think the customer is fool. otherwise watch is good and not defect in it but battery is poor so please when u purchased so change your battery at the purchasing time