The operating time from one full winding is at least 18 hours.

To control the hands, the SOSpr-2b-2-000 and SOSpr-2b-2-010 stopwatches are equipped with a special totalizing device. The hands are started and stopped by pressing the crown, and reset to zero by pressing the pusher.

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

The SOSpr-2b-2-000 and SOSpr-2b-2-010 stopwatches have a chrome-plated metal case.

Technical specifications of the SOSpr-2b-2-000:

Accuracy class - 2.

Permissible error for 10 minutes, sec ±0.6.

Permissible error for 60 minutes, sec ±1.8.

Operating temperature range, °C: -20...+40.

Overall dimensions (maximum), mm: d55x19x76.

Weight, kg: 0.097