给出一个广告，促销一款新的智能手表。广告应包含关键功能和特色，以及为什么该手表是必不可少的。
Introducing our new smartwatch - the ultimate companion for your active lifestyle! With features like GPS tracking, heart rate monitoring, and a built-in digital assistant, our watch can keep up with even the most demanding of schedules. Plus, with its sleek design and customizable watch faces, it's the perfect accessory for any outfit. Don't miss out on the convenience and convenience of our must-have smartwatch!