Poljot 2616-1H

Caliber 2616-1H is an automatic movement manufactured by Poljot at the First Moscow Watch Factory in the Soviet Union. It measures 11.5 mm in diameter and contains 30 jewels with Russian-style three-arm shock protection. The movement features a date complication without quickset function, requiring the crown to be turned past midnight to advance the calendar. Production ran from the 1970s through the 1980s.