1. Small and portable, with alloy steel material, the high end level
2. The middle end is equipped with a rotating knob to adjust the size of the watch, and adjust the opening meter to the proper size of the watch, and hold it down to turn left, you can open the back cover, it is best to combine with watch fixing seat
3.Material alloy steel
4.Size length x width approx. 7.5 x 4cm 2.95 x 1.57inch