A timepiece provided with a metal case having a fitting section which is annularly provided in a lower portion of the inner circumferential surface, a metal lid body having a lid main body section which is arranged on a lower end of the case and covers a lower portion of the case and a cylindrical section which is arranged in the fitting section of the case, and a synthetic resin gasket having a gasket main body section which is arranged between the fitting section of the case and the cylindrical section of the lid body and a spacer section which forms a space between a lower end surface of the case and an upper surface of the lid main body section.