Diff of 572005S - Riquartz

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#author("2023-11-23T06:30:44+00:00","default:admin","admin")
*Jasper dial [#ob579fcd]

Stainless steel case with screw on back, crown with R logo, faceted glass crystal, signed “Ricoh, 572005S”, example dated May 1975
Case: Stainless steel case with screw on back, crown with R logo, faceted glass crystal, signed “Ricoh, 572005S”

Dial: Green stone, probably jasper, yellow sapphire at 12, signed “Ricoh, LSI [sine wave symbol] 32768, Riquartz” 

Movement: Cal [[570]], marked AH5
Movement: Cal [[570]]

**Example [#qcb81706]
-Dated May 1975
--Circuit marked AH5

*Silver dial [#wd9535a2]

Movement: Calibre [[570]]

Battery 
Battery 303

Crystal faceted

Crystal gasket 

Case back gasket 32mm inside x 1mm wide

Crown gasket