CITIZEN 1970s Early Digital Calculator Rare Models Parts Catalog Set of 2 Volumes D971
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Start Buying from JapanCitizen printed these parts catalogs internally during the 1970s, at the height of its early digital watch era, to guide technicians servicing its calculator watches and other unusual digital models.
This rare set includes two thick manufacturer catalog volumes covering those early Citizen digital timepieces. They were made strictly for official use and were never sold to the public. This is a secondhand item.
Citizen remains one of Japan's premier watchmakers, known for pioneering early quartz and digital timekeeping technology.
Two-volume set of thick Citizen parts catalogs featuring early 1970s digital calculators and other rare digital models. Manufacturer-issued, not for sale.











