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Start:
#ref(550001.jpg,right,around,zoom,0x590);
Ricoh Watch Co., Ricoh Keiki Co. Ltd., リクォーツ - Unoff...
[[Analog]] watches
[[Digital]] LCD & LED watches
[[Combination]] analog/LCD
[[Correct Time Receiver]]
[[Quartz Timer]] timing & testing machine
*Technical [#o188fe31]
Some images of technical manuals can be seen in [[Technic...
*Date code [#le1f8c99]
-Stamped inside caseback; Year & 1-9 then XYZ, example "7...
-Some watches also have a code in addition, which looks l...
-Some early [[CMOS IC]] chips use the EIA date system, ie...
-Quartz cannisters can be marked, ie NDK 76F is June 1977.
*Information [#m058fc4a]
I would be grateful to receive information, especially th...
https://pukiwiki.sourceforge.io
End:
#ref(550001.jpg,right,around,zoom,0x590);
Ricoh Watch Co., Ricoh Keiki Co. Ltd., リクォーツ - Unoff...
[[Analog]] watches
[[Digital]] LCD & LED watches
[[Combination]] analog/LCD
[[Correct Time Receiver]]
[[Quartz Timer]] timing & testing machine
*Technical [#o188fe31]
Some images of technical manuals can be seen in [[Technic...
*Date code [#le1f8c99]
-Stamped inside caseback; Year & 1-9 then XYZ, example "7...
-Some watches also have a code in addition, which looks l...
-Some early [[CMOS IC]] chips use the EIA date system, ie...
-Quartz cannisters can be marked, ie NDK 76F is June 1977.
*Information [#m058fc4a]
I would be grateful to receive information, especially th...
https://pukiwiki.sourceforge.io
Page:
![[PukiWiki]](image/pukiwiki.png "[PukiWiki]")
