Casio LA20WH-1A, Women's Black Resin Watch, Chronograph, Alarm, Illuminator
LA20WH 34.5 x 30.4 x 8.6mm / 20g. 1/100 second stopwatch. Casio LA20WH-1A. Daily Alarm. 12/24 Hour Formats. Accuracy: +/- 30 seconds per month. battery life: 5 years. Size of case / total weight.