A watch packaging box including a base containing a removable tray, a lid cooperating in a complementary manner with the base to close the box, the tray including compartments for receiving a watch, each delimited by a bottom and a partition, the box including, centred inside each compartment, a resilient pad pressed onto a watch by the lid in the closed position, and the box includes, in each compartment, a main orifice for passage of a sensor or tool, included in a device performing a watch testing and/or timing method, on the watch occupying the compartment, and each resilient pad includes a secondary orifice aligned with a main orifice for access of the sensor or tool to the watch.