Abstract: The invention relates to a wrist watch comprising a watch case (1) made of two parts (7, 8) fixed the one to the other and each forming one of the faces of the reversible watch. This case (1) is rotatively mounted along its six o'clock-noon axis on two bars (2, 3) each receiving one end of the bracelet (4). The case (1) comprises two lateral covers (5, 6) hinged at one of their ends on the case (1) covering in service position the lateral edges of the watch case.
Abstract: An extra-thin manually or automatically wound watch movement in which at least one wheel is pivoted in an overhang position by means of a single-race miniaturized ball bearing.
Abstract: The invention relates to a pivoting device for the barrel of a thin watch which comprises at least three rollers pivoted on miniature ball bearings and engaging with the periphery of the barrel.