Mobile Phone in a wrist watch (cell phone watch) Cheap unlocked watch phone UK. All the latest designs of the Mobile Phone Watch are available here and we supply it to you at incredible prices. There are many models of watch phones to choose from, at MantisTech we’ve taken the trouble to fully test all these models and now only select the very best for you to buy. All our stock is kept and dispatched from the UK with delivery usually next day. We’ve been supplying Watch Phones in the UK since their inception and are proud to be the No.1 supplier of watch phones in the UK!