Detailed Product Description stop watchFeatures: - Most popular designChronograph - 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- Size: 80.0 x 61.0 x 22.4 mm- N.W: 42.0 g