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#author("2024-03-02T22:30:43+00:00","default:admin","admin")
#author("2024-06-24T21:44:33+01:00","default:admin","admin")
Case: [[Tungsten carbide]], snap on stainless steel back signed Ricoh

Dial: Green stone, probably malachite, signed "Ricoh"

Movement: Cal [[510]]

New price 120,000 yen

*Examples [#cb5e9d03]
-Dated Jul 1978
--Hitachi LSI CMOS signed "7L4 841" for 4th week of Nov 1977
--Quartz signed "MU81N" [presume for Jan 1978]
--Mainplate marked "6" [poss "9"]