The 2010 TYR Z-Split Waterproof Stopwatch is a durable training stopwatch. The 2010 TYR Z-Split Waterproof Stopwatch features 1/100 second timing with CUM and LAP split measurement. It is also water and shock resistant. The 2010 TYR Z-Split Waterproof Stopwatch is a necessity for those trying to improve their times. Available here first at OneTri.com
