[pmsar35]

To my knowledge the Core does not have an hourly chime. Did you check to see if the countdown timer is on and set for 1 hour?

	Suunto Core - Click for more info The Suunto Core is the benchmark of Suunto's ABC (Altimeter, Barometer, Compass) wristop computers, furnishing the best features of top-selling Suunto predecessors, and then advancing upon their legacy with innovative environmental monitoring functions that any outdoor adventurer will find invaluable. The Suunto Core is the culmination of years of testing, research, user feedback from the field, and technological advancements in the Suunto laboratory.