A wearable device which is mountable on a wrist of a user includes a housing including a metal structure, a display positioned within the housing, wherein the display includes a metal layer positioned within the metal structure and spaced apart from the metal structure by a given gap, a printed circuit board (PCB) positioned within the housing and including a ground region, and a control circuit positioned on the PCB and configured to feed a first point of the metal structure. The metal layer is electrically connected with the ground region of the PCB at a second point spaced from the first point by a given angle.

An electronic watch includes a case having electrical conductivity, a cover member attached to the case, a hand, a hand shaft to which the hand is attached, and an antenna disposed to overlap the cover member in plan view from a first direction, the antenna being configured to receive a predetermined radio wave, the cover member is made of a material that shortens a wavelength of the radio wave, the case includes a facing surface facing a side surface of the cover member, the facing surface being located within a predetermined dimension from the side surface, and in the first direction, a height dimension from an end portion of the facing surface positioned farthest from the antenna to a farthest portion of the cover member positioned farthest from the antenna is equal to or greater than 1/60 of the wavelength shortened by the cover member.

An electronic watch includes a case having electrical conductivity, a cover member attached to the case, a hand, a hand shaft to which the hand is attached, and an antenna disposed to overlap the cover member in plan view from a first direction, the antenna being configured to receive a predetermined radio wave, the cover member is made of a material that shortens a wavelength of the radio wave, the case includes a facing surface facing a side surface of the cover member, the facing surface being located within a predetermined dimension from the side surface, and in the first direction, a height dimension from an end portion of the facing surface positioned farthest from the antenna to a farthest portion of the cover member positioned farthest from the antenna is equal to or greater than 1/60 of the wavelength shortened by the cover member.

An electronic device includes a dial, a module and a solar panel. The module is arranged under the dial and including a circular polarization antenna which includes a power feed point and a radiating electrode. The solar panel is arranged between the dial and the module and has an area corresponding to an area of the dial in a face direction thereof. The solar panel is constituted by a plurality of solar cells including a solar cell that has a light receiving surface arranged at a position corresponding to the radiating electrode.

An electronic device includes a dial, a module and a solar panel. The module is arranged under the dial and including a circular polarization antenna which includes a power feed point and a radiating electrode. The solar panel is arranged between the dial and the module and has an area corresponding to an area of the dial in a face direction thereof. The solar panel is constituted by a plurality of solar cells including a solar cell that has a light receiving surface arranged at a position corresponding to the radiating electrode.

An electronic timepiece includes an outer case, a back cover, and an antenna for receiving radio waves disposed in the outer case, wherein at least one of the outer case and the back cover is formed from a titanium alloy composed of aluminum in an amount of 3.50 mass % or more and 4.50 mass % or less and vanadium in an amount of 20.00 mass % or more and 23.00 mass % or less, with the remainder including titanium and impurities.

An electronic timepiece includes an outer case, a back cover, and an antenna for receiving radio waves disposed in the outer case, wherein at least one of the outer case and the back cover is formed from a titanium alloy composed of aluminum in an amount of 3.50 mass % or more and 4.50 mass % or less and vanadium in an amount of 20.00 mass % or more and 23.00 mass % or less, with the remainder including titanium and impurities.

An electronic timepiece has a case; an annular antenna housed in the case; a time display unit that is disposed on the inside of the antenna, and includes a dial and hands that rotate on a center pivot; and a battery compartment housing a storage battery that feeds the antenna. The antenna is not superimposed with the storage battery held in the battery compartment when seen from the direction perpendicular to the dial.

An electronic timepiece has a case; an annular antenna housed in the case; a time display unit that is disposed on the inside of the antenna, and includes a dial and hands that rotate on a center pivot; and a battery compartment housing a storage battery that feeds the antenna. The antenna is not superimposed with the storage battery held in the battery compartment when seen from the direction perpendicular to the dial.

Provided is an electronic device which includes a body portion including a first radiator and a wearing portion including at least one second radiators, in which the second radiators form capacitive coupling with the first radiator or a ground portion provided in the body portion, thereby providing stable operation characteristics of the first radiator. The electronic device may be implemented variously according to an embodiment.