The third ring of Apple Watch is full, and there is no animation, because the trigger condition is not met. The three rings of Apple Watch represent fitness record ring, exercise ring and standing ring respectively. To trigger an animation, you need to meet the following conditions:

1. fitness record ring: you need to exercise for at least 30 minutes, and you can reach the fitness goal when you close the ring.

2. Exercise circle: You need to complete at least 10 minutes of exercise and reach the fitness goal when the circle is closed.

3. Stand circle: stand for at least one minute every hour during the day, and reach the fitness goal when the station is closed.

In addition, you need to turn on the "Raise your hand to light up the screen" function to trigger animation when the watch lights up. The above are the trigger conditions of Apple Watch's third ring, I hope it will help you.