So why only 4/5? Vibrate mode. Rather quite alarmed but when it comes to use in the recovery is insufficient. It would have been nice to adjust the power of vibration
Also active when the backlight is impossible to go in the other modes (alarms, stopwatches, etc ...). This can be a bit painful. For example not being able to activate the backlight set an alarm to go ...
Otherwise, it's all good. The watch is not too large and seems indestructible