SLAVA professional stopwatch model SDS-pr 1. Vintage, 100% original. Made in the USSR. SLAVA professional stopwatch model SDS-pr 1. Original multifunctional stopwatch with manual winding. Professional multifunction stopwatch in good condition. Manufactured by the renowned Moscow watch factory Slava-2. Designed for professional use, these stopwatches feature a 54mm 12-hour movement with 20 jewels, a second hand and 2 second hands in a sturdy steel case. Technical specifications provided: 20 rubies 12-hour movement Two dials: 30-second scale / 0.1 second step 30-minute scale / 0.5 minute step Second timer with 2 second hands and synchronous start Minute hand Accuracy (average): +/- 0.4 sec / 30 min. Stopwatch in good condition. All functions work. The set includes the original box, stopwatch and key to open the back cover.