Citizen Cosmotron Electronic – Ref. 4-790162Y, Februar 1975 Quarz and second display / Date

and second display / Date display / 24-hour display / Stop-seconds function / Quick correction

The “Sportsmatic 5” series defined Seiko’s philosophy for reliable everyday watches:

wie Seiko mechanische Präzision

Technische Details:

Very well-preserved case with even gold plating

Citizen Cosmotron Electronic – Ref. 4-790162Y, Februar 1975 Quarz and second display / DateThis Citizen Cosmotron Electronic dates from February 1975 and was manufactured in one of the last production phases of the legendary Cosmotron series. It therefore belongs to the final generation of electromechanical transitional models between mechanical and quartz technology a fascinating chapter in Japanese watchmaking history. Historical background The Citizen Cosmotron series was introduced in 1966 and was Japan's first electronically controlled