Product Description 50M Water Resistant EL Backlight with Afterglow Daily Alarm 1/100 second stopwatch Measuring capacity: 59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times Hourly Time Signal Auto Calendar 12/24 Hour Formats

Product Description 50M Water Resistant EL Backlight with Afterglow Daily Alarm 1/100 second stopwatch Measuring capacity: 59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times Hourly Time Signal Auto Calendar 12/24 Hour Formats Accuracy: /-30 seconds per month Battery CR2016 Approx. battery life: 5 years Module 1536 Size of case / total weight 45.5 x 42.0 x 10.5mm / 38g