Pebble Watch App: Timer for Presenters
Keep your presentation talk within time limits with this simple fully on-pebble visual time keeper that will notify half time, 5 and 1 min remaining with a vibration pulse. A list of common intervals for the talk from 3 min to 180 min are available. Large dial provides visual clue on the time passed and remaining.
How to install: see Pebble Market and getpebble.com