Clasp for bracelet incorporating an antenna and bracelet including the same

There is disclosed a clasp for electrically connecting first ( 10 ) and second ( 10 ') antenna elements respectively housed in first ( 50 ) and second ( 50 ') strands of a wristband of a portable electronic instrument, this clasp including two parts ( 1, 2 ) able to be detached from each other, each electrically connected to one of the antenna elements, and able to be mechanically locked onto each other in order to establish an electric contact between the antenna elements. The first detachable part includes a first clasp element ( 60 ) including a first plate ( 62 ) extending into the extension of the first wristband strand. The second detachable part includes a second clasp element ( 70 ) including a second plate ( 72 ) extending into the extension of the second wristband strand and a holding device ( 73 ). The second detachable part further includes a third clasp element ( 75 ) rotatably mounted on the second clasp element ( 70 ) and arranged to lock onto the holding device of the second clasp element. The clasp elements are arranged such that, during locking, the first plate is superposed onto the second plate and the third clasp element sandwiches the first plate against the second plate when it is locked onto the holding device.