It mounts a 17 jewels movement, caliber 2414A, hand wind with no date.
The movement is protected against magnetic fields by a sweet iron capsule (see pictures bellow).
Other translitarations: Wostok, Vostok
Original name in Cyrillic: ВОСТОК
Some pictures:
Side views:
Backcase:
The sweet iron capsule that protects the movement from magnetism.
Movement picture:
