Silent alarm is an awesome feature. But it scales with battery life: on a watch with ~48 hours of battery you want to charge daily. And the most convenient time

Silent alarm is an awesome feature. But it scales with battery life: on a watch with ~48 hours of battery you want to charge daily. And the most convenient time for that is in the night, which kills the silent alarm feature Once you get to a week of battery life like a Garmin or those cheap armbands without screen that becomes a much better feature