Mechanical wristwatch "Chaika" 2628 N USSR in extremely rare condition, with documents

Rare mechanical watch "Chaika" produced in the USSR at the State Uglich Watch Factory. The dust-proof case is in very good condition (it has never been in use before), the 2628N mechanism on 23 ruby stones has undergone high-quality maintenance this year - an accurate move. On the blue dial there is a double (split) side calendar of instant action with an indication of the current date and day of the week. Included: watch, passport, factory box. Dimensions: 45 mm x 41 mm (width with crown), width of the strap base: 18 mm. Delivery to any city in the world.