A device for attachment of a timepiece movement to a watch case, including a peripheral attachment element of the movement positioned in abutment on an axial bearing surface of the case. The device includes thermoformed studs integral with the case having a mushroom shape at an end thereof providing an axial retaining surface acting as a rivet to hold the peripheral attachment element of the movement against the axial bearing surface of the case.

Embodiments of this application relate to the field of terminal device technologies, and specifically, to a wearable device. According to the wearable device provided in embodiments of this application, an outer frame is provided with a mounting channel, and the mounting channel penetrates the outer frame. A housing is disposed in the mounting channel, and the housing is detachably connected to the outer frame. A movement is disposed in the housing.