Detailed Product Description stop watchFeatures: - Metal case- Large digit display, digit height: 12.4 mmChronograph - 1/100 second in the 1st 30 minutes, after that, in 1 second, up to 23 hours 59 minutes and 59.99 secondsClock- Hour, Minute, Second, Month, Date, Day and Auto Calendar- 12/24 hour system user option- Hourly chime and alarm- Solar Battery- Size: 72.6 x 58.9 x 15.5 mm- N.W: 87.0 g