A programmable watch (1) including: a display (2) for displaying messages thereon; a microcontroller (10) interconnected to the display for controlling messages on the display and having a series of external communications ports for detachable interconnection with a host computer (20); wherein the microcontroller is programmed via the host computer device to provide a series of staged alarms having output messages relating to time periods where it is appropriate for a watch wearer to smoke a cigarette.
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