How long will my hybrid smartwatch battery last? Updated August 17, 2019 12:15 Follow Depending on the model of your watch and its usage, your battery will last from 5 to 12 months. Related articles How do I know if my hybrid smartwatch battery is low and needs to be replaced? How do I install / replace the battery? How do I maximize my battery life? Where can I get a replacement battery for my hybrid smartwatch? Is my watch water and / or dust proof? Comments 0 comments Please sign in to leave a comment.