Large mechanical stopwatch professional antimagnetic chrome-plated housing with reliable precision mechanism with three sekundootmeryayuschimi arrows. Caliber mechanism stopwatch is 54 mm., The period of oscillation balance of 0.2 seconds. Working time when fully wound the clock spring is the period of not less than 600 minutes. The mechanism of the second class of accuracy, collected on 20 ruby jewels. The error of measurement accuracy at 30 minute work period of not more than 0.7 seconds. Leap second hands with 0.1. Capacity second scale 30 sec, with a scale interval of 0.1 seconds. Digitizing the second scale is from 1 to 30 every second. Capacity Scale minute counter 30 min. Scale value of the counter minutes 0.5 minutes. Start, stop and start an additional second hands by pressing the crown. Use the left button locks the second of the second hand, and the right button is used to reset the stopwatch readings. This timepiece may be of interest not only to people their belonging its activity to the sport. But also a collector of rare hours, taking into account its absolute safety in the factory original packaging. Diameter 65 mm, thickness of the shell with a natural protective glass is 25 mm.