The TAG Heuer Golf app consumes in average 10% per hour, meaning that you can easily perform a 18 holes on a golf course.
Please note that each usage may vary from each generation and personal usage (ex: sport session during the day, notifications, third-party apps…etc)
If you want to learn more about the battery usage, please refer to this link in order to maximize your battery consumption : https://faq.tagheuer.com/articles/en_US/FAQ/How-can-I-maximize-my-watch-battery-life/?q=battery&l=en_US&fs=Search&pn=1