Switch device and timepiece

A switch device comprising:

• a case provided with a through hole;
• an operation member having a shaft section which is inserted into the through hole of the case and a head section provided on an outer end portion of the shaft section;
• and
• a buffering member which is arranged in the head section of the operation member,
• wherein the buffering member includes a cylindrical main body section, a plurality of first projection sections which projects toward the head section side from one surface of the main body section, and a plurality of second projection sections which projects toward the case side from an other surface of the main body section located on a side opposite to the head section side, and
• wherein the plurality of first projection sections and the plurality of second projection sections are arranged at positions not overlapping with each other in an axial direction of the operation member when viewed from the head section side of the operation member.