Pros: the numbers are large and easy to see with a quick glance.
Multiple options for countdown timer, makes it easy for interval training, and getting a feel for pace.
The start/stop button is easy to hit.
Cons: the countdown timer can only be set in 5 second increments
When the stop watch is stopped, it continues to time, showing the time in seconds only, you can't see the tenths, or hundredths.