This guy is a real watch maker. Not only can he replace a battery which is mostly a simple thing, but he can fix the complicated Automatic Chronographs. He will also pick your watch up repair and deliver it back to you. He has studied under a master watch maker and is also a member of the AWCI and NAWCC. He really does a nice job if you have any kind of watch, Quartz that requires a battery or a complicated mechanical auto wind Chronograph, this is the guy to go to.