▎ 摘　　要

NOVELTY - The utility model relates to the technical field of special watch, especially relates to a new type watch with locating structure for working under mine. Technical solution thereof comprises: a wrist strap and a shell, a battery box and an explosion-proof component, two sides of the shell is equipped with a mounting cone, one side of the mounting cone is equipped with a wrist belt, the inner part of the shell is equipped with a circuit board, the bottom of the circuit board is equipped with a blood oxygen detecting module, the top part board is equipped with a battery box, two sides of the inner part of the shell is equipped with explosion-proof component, the explosion-proof component is equipped with a liquid storage tank . The utility model is provided with a liquid storage tank in the shell, the liquid carbon dioxide can be stored by the liquid storage tank, when the lithium battery circuit in the device is deflagrad, the liquid storage tank is heated by high temperature, the liquid carbon dioxide is converted into the gaseous state, so as to use carbon dioxide to isolate the oxygen from the circuit in the shell, preventing the watch from burning explosion condition, increasing the safety of the watch.