I have had this amazing watch for over two years now! It still looks like the day I bought it , hard to believe I wear it daily , not occasionally not a dress watch its made to work for and with you . I always compare my blood pressure on my watch to when the nurse takes it at the dr office never identical but within a couple of points on both readings most they differ is maybe a 6 point spread but that isn't normal . hardest thing to do is change for daylight savings going forward and ba...