Thomas 1043 Three Button Stopwatch, 0.1 Percent Accuracy, 2-1/8" Diameter x 5/8" Thick

Three-button stopwatch is so inexpensive that it’s the first disposable stopwatch. Appropriate for easy-duty, occasional-use needs where high precision is not a requirement. At only 7/8 ounces, it’s the lightest of all stopwatches. Wear it around your neck on the 38-inch lanyard and never know it’s there. To assure accuracy an individually serial-numbered Traceable Certificate is provided from our ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology). Times to 24 hours with a resolution of 1/100 of a second for 30 minutes and 1 second thereafter. Functions are single-action, time-out, cumulative-split, and continuous roll over timing. It also displays time and date. Provides a sound confirmation each time a button is pressed. Accuracy is 0.1 percent. Supplied with a Traceable Certificate, 1-year battery, and lanyard. Measures 2-1/8" diameter by 5/8" thick.