OneTigris Mechanical Stopwatch Timer Analog Stopwatch Chronometer A simple mechanical wind-up stopwatch, does not need batteries, and easy to read dial Quick action for Starts Stops and Returns to Zero by consecutive crown depressions(Note: Only can stop once, and it returns to zero with next push of button) Analog stopwatch accurately measures spans of time, time is accurate to 0.2 seconds 30 min / 60 sec, and 12 hours sequential running Gift box included, no print on the back so you can have it engraved as a gift.(If you need this fine stopwatch as team present or souvenir OneTigris will do the engravment for free by any order of 50 and test carefully one after one before shippment)