1 / 7
NOS Rare Vintage Citizen Cosmotron 7804 Men’s Classic Dress Watch JDM 1970s
■ THIS EXACT PHOTOGRAPHED WATCH IS ONE OF ONE. ONCE IT SELLS, THIS PAGE BECOMES AN ARCHIVE.
► BUY DIRECT & SAVE 10% — SAME WATCH, NO MARKETPLACE FEES
► SECURE STRIPE CHECKOUT
► FREE US SHIPPING — $30 FLAT INTERNATIONAL
► FREE US SHIPPING — $30 FLAT INTERNATIONAL
► SELLER'S DESCRIPTION
Up for sale is a NOS Rare Vintage Citizen Cosmotron 7804 men’s classic dress watch, produced for the Japan Domestic Market (JDM) in the 1970s. The Citizen Cosmotron was one of Citizen’s pioneering electronic watches, representing an important milestone in Japanese watchmaking before the widespread adoption of quartz technology. This example features a striking gray sunburst dial, elegant gold-tone accents, and its original faceted crystal.
The watch is in full working condition. It is fitted on an aftermarket stainless steel bracelet, while all other parts of the watch are original. The watch also comes complete with its original Citizen hang tags.
The watch is in mint, never-used physical condition, showing only light signs of handling from decades of storage. The photos best describe its physical condition and should be reviewed carefully by interested buyers.
Key Details:
* Brand: Citizen
* Model: Cosmotron 7804
* Era: 1970s
* Market: Japan Domestic Market (JDM)
* Movement: Electronic
* Bracelet: Aftermarket stainless steel bracelet
* Condition: Full working condition
* Accessories: Original Citizen hang tags included
A beautiful NOS example of Citizen’s innovative Cosmotron series, featuring a distinctive 1970s design, an exceptionally well-preserved original faceted crystal, and one of Citizen’s earliest electronic movements. An increasingly difficult model to find in unused condition.
Ships carefully. Feel free to message me with any questions.
► ARCHIVE FILE: CITIZEN — BRAND HISTORY
Citizen grew from a Tokyo research institute founded in 1918 into one of Japan's largest watchmakers, building its reputation on practical innovation. Shock resistance, water resistance, titanium cases, and light-powered Eco-Drive technology marked its progress, while vintage divers, bullhead chronographs, and high-beat automatics reveal the depth of its mechanical past.
Read the full Citizen story — and shop all Citizen watches ►► RELATED TIMEPIECES DETECTED (4)
RECOMMENDATIONS BASED ON BRAND AND MOVEMENT ANALYSIS



