Diff of 512344 - Riquartz

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#author("2024-03-02T22:34:35+00:00","default:admin","admin")
#author("2024-06-09T18:59:05+01:00","default:admin","admin")
Case: [[Tungsten carbide]], stainless steel snap on back signed Ricoh

Dials: 
Movement: Cal [[510]]

*Dials: [#v02e1045]
-Onyx signed "Ricoh, Apex, Riquartz, Japan A-512-81-01"
-Lapis lazuli signed "Ricoh"

Movement: Cal [[510]]
-Lapis lazuli signed "Ricoh, Apex, Riquartz, Japan A512-111-01"
--Dated 78-X for Oct 1978
--LSI CMOS signed "7M5 841" for 5th week of Dec 1977
--Quartz marked MU7ZN for Dec 1977