A radio-controlled timepiece in which its reception sensitivity is further enhanced. The radio-controlled timepiece includes: an antenna core 11 made of a magnetic material and formed as a single integrated body including a coiled portion (11a) wound with a coil 19 and extension portions 11b and 11c which are located respectively on the end-portion sides; additional cores 15 and 16 made of a magnetic material; magnetism-collection members 17 and 18 made of a magnetic material; a main plate 31 (timepiece substrate) made of a non-magnetic material; a guide member 33 made of a non-magnetic material; and a liquid-crystal-panel supporting frame 32 (magnetism-collection-member supporting members, pressing member) made of a non-magnetic material and having protrusions 32a and 32b (pressing members) formed thereon. When the main plate 31, the guide member 33, and the liquid-crystal-panel supporting frame 32 are assembled together, the protrusions 32a and 32b press the magnetism-collection members, respectively. Thus, the magnetism-collection members 17 and 18 come into contact respectively with the additional cores 15 and 16, and, at the same time, the additional cores 15 and 16 come into contact respectively with the extension portions 11b and 11c of the antenna core 11. Accordingly an antenna-core body with a large single body is formed, which enhances the reception performance.