For sale is this mint condition NOS Citizen Cosmotron 7804 Electro-Mechanical from 1975.It still has the original hang tag on it and the plastic crown clip that keeps it locked in hacking position. This is gorgeous and under-rated watch and they rarely show up in this condition.
Hamilton-Ricoh Electric ―
Citizen X8 / Cosmotron / IC-12 ―
Seiko EL-310, EL-320, EL-330, EL-370, Elnix ―
Citizen Hisonic, GX Cosmotron ―
this is the thread for those watches which are powered by electricity, but which use a mechanical timebase (balance-wheel or tuning-fork) which communicates...