Stopwatch - mechanical, single-hand, with a simple action mechanism for controlling the hands, with interrupted operation of the clock mechanism, designed to measure time intervals in minutes, seconds and fractions of a second.

To control the hands, the stopwatch mechanism is equipped with a special simple-action lever device. Starting, stopping and returning the hands to zero is carried out by successive pressing the crown.

The duration of the mechanism from one full spring plant is at least 18 hours.

Comes in a plastic case.

This stopwatch, designed for measuring time in minutes, seconds and fractions of a second, is used in sporting events, as well as in scientific research and timekeeping.

The 42 mm caliber stopwatch mechanism on 16 ruby ​​stones has a spring motor, an anchor stroke and a balance-spiral oscillating system with a period of oscillation of 0.4 s.

Duration of work from one full winding is not less than 18 hours.

To control the hands, the stopwatch mechanism is equipped with a special summing device. Start, stop the hands by pressing the crown, return to zero - by pressing the button.

The stopwatch has a 60-second scale with a division value of 0.2 s and a 60-minute counter with a division price of 1 minute.

The stopwatch case is metal, chrome plated.

Accuracy class 2

Permissible error in 10 min, s ± 0.6

Permissible error in 60 min, s ± 1.8

Operating temperature range, ° С -20 ... + 40

Overall dimensions (no more), mm d55x19x76

Weight, kg 0.12