SPER Scientific Timers Certified Large D

SPER Scientific Stopwatch, Digital, 3 X 2-1/2 X 3/4 In, 24 Hours Range, 1/100 Second Resolution, Large Lcd Display, 1 Count Up Channel, 2.6 Oz Weight, With One Aa Battery, Leatherette Case, Nist Traceable Certified, Click Stop Controls Give The Definitive Feel Of Mechanical Stopwatch But With Hundreds Of Times The Accuracy, Rugged Abs Plastic Case, Built-In Stand, Split Interval, Clock And Calendar Functions - SPER