Russian USSR Stopwatch "Agat" mechanical One-Button, Export version

Description

Russian USSR Stopwatch "Agat" mechanical One-Button
Export version
Stopwatch-mechanical, single-track, with a mechanism of simple action of arrow control, with interrupted operation of the clockwork, designed to measure time intervals in minutes, seconds and fractions of a second. It is used in sports competitions, research, timekeeping.
The stopwatch has a 60-second scale with a division price of 0.2 s and a 30-minute counter with a division price of 1 min.
Movement caliber 42 mm, has a spring motor, club-tooth lever escapement and oscillating system balance - spiral with the oscillation period of 0.4 sec.
To control the hands, the stopwatch mechanism is equipped with a special lever device of simple operation. Start, stop and return of arrows to zero is carried out by consecutive presses on the crown.
The duration of operation of the mechanism from one complete plant spring of not less than 18 hours.
The dial is covered with white enamel, numbers and hands - black.
The inscriptions on the dial (English): Made in the USSR.