Citizen Early LCD Calculator Watch (2)

In Pieter Doensen's Watch book, he writes "In August (1977) Citizen introduces the first calculator watch in Japan and the first one in the world with LCD: the Citizen Quartz Crystron Calculator." This is another variation of that watch.

Here are the generic instructions for this watch. ..\Instructions\CitizenRoundCalc\1.pdf ..\Instructions\CitizenRoundCalc\2.pdf ..\Instructions\CitizenRoundCalc\3.pdf

Photos courtesy The reference section of www.TheDigitalWatch.com website">Peter Muckermann