A disassembly bench is for unlocking and disassembling a first component and a second component of a watch with secured fastening including handling devices to transmit a relative disassembly movement between this first component and this second component. The bench also includes centrifuging devices and/or pneumatic or hydraulic devices for simultaneous application of a centrifugal force and/or an overpressure or an underpressure to such a watch to press into a position of free passage one or more slides arranged to immobilize this first component and this second component in a locked position. A watchmaking set includes such a disassembly bench and such a watch with secured fastening.