Adding Ganance Heir to your favorite watch lets you capture the health and movement data you love while expressing yourself in a way that's true to your style.

The timelessness of a traditional watch with the benefits of modern tech

low profile

wear all your fashionable watches without showing you're tracking your activity

activity tracking

collect all the health data you value, just like a traditional activity tracker 


sync all your health data in one place including Apple, Garmin & Fitbit

privacy + ownership

we protect it, you remain in control of your data

Ganance Heir

Product Specs

Discreet 3mm profile

30 mm diameter fitting most watches

Mobile notifications

Silence calls