The function of the circle dial of sports watch activity.

- Jan 18, 2018-

Sport watches are usually equipped with can rotate counterclockwise circle of the table, in addition to the decoration and modern concept, the symbol of the movement of life table circle on the convex granule and clear, easy to read Numbers, allows the wearer to accurate calibration diving and exercise time, is absolutely reliable. The outer ring only rotates in one direction, and even if it is accidentally turned, the remaining time will only be shortened, not prolonged, to ensure safety.