Ankle, governor escapement, tourbillon, movement and watch

摘要

An anchor 63, an exhaust-regulator 54, a tourbillon 13, a movement 10, and a timepiece enabling a reduction in size and thickness are described. The anchor comprises: an anchor pin 85 rotatably supported by the bearings 90a and 90b; An anchor base 93 provided on the anchor pin 85; A pair of paddles 87 and 88 mounted to the anchor base 93; A pair of input and output horns 95 extending in the radial direction from the anchor base 93; A dart 89 located in the interior space between the pair of input and output horns 95 in a plan view taken in the axial direction and extending in the radial direction; And an anchor beam 96 arranged on the side of the anchor pin 85 with respect to the proximal end of the dart 89, the input horns 95 and the pair of vanes 87 and 88 being successively arranged in the direction d A first direction in a lateral view taken in a second direction which is orthogonal to both the first direction and the axial direction. Furthermore, the anchor base 93 has a bearing housing 120 which is formed by a recess in the axial direction and which houses at least the bearing 90b.