The X8 Cosmotron | Sweephand's Vintage Citizen Watch Blog
Vintage 1972 CITIZEN Electronic watch [COSMOTRON] Cal.7800 Original band | WatchCharts
David on Instagram: “1972 Citizen Cosmotron. 7800 series, 36000 bph, with sync button at 8 o'clock. Smooth. 😎 #vintagecitizen #citizencosmotron” | Los '60