Timepiece including a mechanism for triggering a time-related function and simultaneous winding of a barrel spring

摘要

The invention concerns a timepiece component comprising a watch movement provided with a main barrel acting as power source for a timekeeping device of the watch movement and an auxiliary barrel designed to supply mechanical power to an additional device, and mechanical control means capable of being manually actuated to trigger said additional device, characterised in that said control means are arranged to simultaneously trigger the additional device and wind the auxiliary barrel.