Has a high speed of reaction and undeniable durability. It has a strong Russian heart, driven by Swiss precision. At the beginning of the 1970s, Poljot wanted to modernize the 3017 Chronograph clocks produced to date. The number should increase. The filigree switching bike mechanism of the 3017 should be replaced against a modern cam switch mechanism. The 3017 was already built on a production line from Venus that was imported from Switzerland (Fabrique d'Ebauches Vénus SA) based on Venus 150. This proven procedure should now come into play again in the early 1970s in the new chronograph (31mm). This time a Valjoux SA production line (today ETA, Swatch Group) was taken over and a somewhat stronger Russian heart (unrest) missed the work. The basis for the Russian Poljot 31681 was the Valjo.
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