

Rare Medical Stopwatch With Heart Rate Scale - USSR ,1970s
Material of case : metal case
Type of movement: mechanical, manual winding
Movement caliber : russian stopwatch movement Cal. 42613,16 jewels
Case diameter : 77 mm without crown
Case diameter incl. crown : 83 mm
Case thickness : 18 mm
Dial : dial with heart rate scale
Watch is professionally serviced and in good working condition.