«Raketa 2623 H»

24-hours manual winding movement based on the 2609.НА mechanism and is ahead of its  Soviet predecessor in reliability. It was specially developed for soviet and russian polar explorers and cosmonauts. Functions: 24-hours, hours, minutes, seconds
Calibre 2623
Movement type Winding Manual
Frequency 18000 A/h
Movement height 4.8 mm
Diameter 26,65 mm
Running time 40h
Number of jewels 16