Huawei Watch GT 4 could launch soon, as the company has announced to host a launch event on September 14 in Barcelona. The company is expected to unveil a new device at the event, dubbed as ‘Wearble Strategy and New Product Launch’. The announcement has teased a watch dial on the poster, hinting that the new product could be a smartwatch. Now, a tipster has suggested that the company could launch Huawei Watch GT 4…