In the new TV series Lethal Weapon, one of the two main characters, Roger Murtaugh, is recovering from heart surgery and regularly checks his heart rate on his Apple Watch.
Here’s a closeup shot from the pilot:
Not sure what app is running, but the heart rate is animated. As the show progresses, every time Murtaugh gets excited, his Apple Watch starts beeping. The Apple Watch brand is never mentioned, but the closeup shots are unmistakably Apple Watch.