Band Type: Resin Dial Code: Digital 8-Digit Calculator Constants for addition, subtraction, multiplication and division Water Resistant Dual Time Daily Alarm 1/100 second stopwatch Measuring capacity: 23:59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times Hourly Time Signal Auto Calendar (pre-programmed until the year 2079) Accuracy: +/-15 seconds per month Battery CR2016 Approx. battery life: 5 years Module 437/3208 Size of case/total weight 42.0 x 33.0 x 7.0mm / 29g