This is a Helbros stop watch made of metal and Swiss made. It has a wind style power source and measures time. The display size is 2 1/2 H X 2 inches W and it is silver in color. It is designed for use on the hand and features a stopwatch. It is suitable for running and jogging. The product is used but works great. Pre-owned with some signs of scratches, Scuffs, but a great working watch.