the watch i brought did not last for a new

i brought a watch at matt arend on the 9th July 2015 than they send the will deliver it within 2-3 working days,the reference number is 4041.i did received the watch but i only wear it twice than it stopped working tried to get hold of the them they failed to fix it or exchange it,on the 02 august i send them my last email complaining about the watch until today they have not yet respond but they where responding to my emails .the watch is called MA 298 roma..please peter help me to get this people to give me a watch that is equal to my money<br> <br>