Soviet Molniya 1977 Arctic Icebreaker Transparent Mechanical Wristwatch

Vintage Soviet Molniya mechanical wristwatch with a transparent case back, dedicated to the 1977 Arctic expedition to the North Pole. Molniya, meaning “lightning” in English, was a well-known Soviet watch manufacturer that also produced specialized timepieces for military and technical use. The watch measures 45 mm (1.77 in) in diameter. The transparent case back provides a clear view of the mechanical movement. The watch is fully operational, tested, and professionally adjusted by a watchmaker.