We've written more about this bad boy in our review where it scored the first place.
During the day the red negative number display is highly visible.
Mud Resist construction helps to ensure that nothing gets into the watch when down and dirty work takes you deep into the dirt and sludge.
It sure suits mine which has a size of 6 inches.
Approximate battery life: 10 months on full charge without further exposure to light.
The function buttons are all recessed into a protective niche on the side of the case so pressing them only works for me when I use the tip of a fingernail.