I admit I was doubtful about the claims of long battery life. The smart watch I have just replaced barely lasted from breakfast to bedtime, so you can understand why I thought this would just be a spurious marketing claim. I apologise Gard Pro, the battery life is phenomenal. 5 days in, it's on 79% and it's been used to track a 2.6 km walk, another of 5.8km, a bike ride of 54km and today's of 24km. That's apart from heart rate and blood pressure monitoring. And, unlike my old watch, the Gard Pro...