Thank you for viewing. Casio Stopwatch HS-70W-1JH Black This is a 1/1000 second stopwatch with water resistance. It features 5-bar water resistance, allowing for use in the rain, as well as in pools and at the beach. It can store up to 100 lap/split data in 2 sets. The main body has a waisted shape for easy gripping, and it also includes clock and calendar functions.