A measuring support for a watch movement, designed to constitute a radial support, in a radial direction, of a control member or of a support zone, which includes a watch head including a watch movement, or which includes a watch movement enclosed in a test cap, in a position of radial support under stress of the watch head or respectively of the cap on the measuring support, wherein the measuring support includes either a single contact point in the radial direction, or a pair of lateral contact points that are symmetrical with respect to the radial direction.