Patent ID: 7646677

Claim:
A portable electronic timepiece comprising: a timepiece module having a printed circuit board and a display element that displays time; a case that contains the timepiece module; and a switch mechanism having an operating button disposed at an outer periphery of the case, a button shaft connected at one end to the operating button and slidably disposed in the case to undergo inward and outward sliding movement beneath the timepiece module, a movable contact portion that is moved inwardly by inward movement of the button shaft and that moves outwardly when the button shaft undergoes outward movement, and a fixed contact portion connected to a circuit pattern on the printed circuit board and disposed to make contact with the movable contact portion when the movable contact portion is moved inwardly by operation of the operating button; wherein the fixed contact portion comprises a rectangular parallelepiped constituted by alternately laminating a plurality of conducting rubbers and a plurality of insulating rubbers, the movable contact portion comprises a rubber switch member switched on/off by movement of the button shaft, and a face of the rectangular parallelepiped contacts the circuit pattern on the printed circuit board.