Tag Heuer Maison Customer service
FREQUENTLY ASKED QUESTIONS

You earn Active Time when you make your heart beats faster (more than 50% of your Heart-Rate Maximum) for at least a full-minute (60 seconds in a row). Depending on how intense it was, every minute spent in Active Time will be categorized in one of the following Active Zone:

Peak (85%-100% of Heart Rate Maximum): Increases performance speed.
Cardio (70-84% of HR Max): Improves fitness and blood circulation.
Fat burn (50-69% of HR Max): Improves basic endurance and burns fat.