Casio LA-20WH-1B Ladies Black Digital Watch with LED Light 5 Year Battery New

Water Resistant LED Light 1/100 second stopwatchMeasuring capacity: 59'59.99"Measuring modes: Elapsed time, split time, 1st-2nd place times Daily Alarm Hourly Time Signal Auto Calendar (28 days in February) 12/24 Hour FormatsAccuracy: +/- 30 seconds per month Battery: CR1616 Approx. battery life: 5 years Module 3284 Size of case / total weightLA20WH 34.5 x 30.4 x 8.6mm / 20g