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Start:
#ref(570-4.jpg,right,around,zoom,0x250);
Quartz movement
-Launched May 1973
-Produced from at least Apr 1973
-Continued to at least Feb 1976
-Successor [[590]] started production April 1975
-White ceramic circuit, often marked with a printed code
-[[RCA 81473 LSI>CMOS IC]] chip, date code in the form of...
-10 Jewels
-Some are marked "Three 3 Adj." ([[570017B]])
-Some even have a movement serial number ([[570001]])
-Battery 303
-Consumption 15 or 3 micro amps
-Coil resistance 2.8KOhms
-Some have a square to adjust rate & some a screwdriver s...
-Some have a shock proof setting on the rotor pivot
-Some have a large oval quartz can, some have a large cyl...
-Some have a more red coloured insulation on the coil
From [[thewatchforum.co.uk:https://thewatchforum.co.uk/in...
"The first volume movement was the cal 570, a conventiona...
From Electrifying the Wristwatch "The Riquartz 570 calibe...
date display was introduced in 1973; the dimensions were ...
http://hiiragi15.blog.fc2.com/blog-entry-3085.html
http://hiiragi15.blog.fc2.com/blog-entry-3086.html
http://www.crazywatches.pl/ricoh-570-dugena-riquartz-1974
*Example serial numbers [#a8d6ed16]
570 movement serial numbers seem to be extremely rare.
,''Number'',''Ref'',''Date'',''Features'',''Notes''
,010856,-,-,3 Adj-early shock jewel,Cover of Technical ma...
,010901,,,Brown circuit early shock quartz cylinder,Cover...
,011818,[[570001]],August 1975,3 Adj-late shock jewel,[[j...
-Most movements do not have a serial number
*Earliest recorded watches [#fe7538e8]
-CMOS-IC in quartz brochure dated 7318 for 18th week (ear...
-[[570009]] Apr 1973
-[[570011B]] Aug 1973
-[[570017B]] Sep 1973
-[[570022]] Oct 1973
*Latest recorded watch [#gccbdc0c]
-[[570040S]] Dec 1975
-[[570001 S>570001]] Feb 1976
*CMOS IC [#h1f30b25]
The [[CMOS>CMOS IC]] integrated circuit is made by RCA in...
The date code is four digits, first pair are the year, se...
-Earliest recorded IC marked 7324 for 24th week 1973.
-Latest recorded IC is marked 5 16 for 16th week 1975.
#ref(RCA-81473-2.jpg,around,right,zoom,0x150);
#ref(RCA-81473-1.jpg,zoom,0x150);
**Hitachi IC discovered [#u7f8d33c]
A circuit has come to light with a different IC, marked w...
#ref(570-9.jpg,zoom,0x200);
*Three 3 Adjustments [#o8b60934]
Some movements are marked Three 3 Adjustments, presumably...
-[[570001]]
-[[570011]]
-[[570017B]]
*Shock proof jewel [#ud48431b]
Earliest movements feature the same shock setting on the ...
*Circuit variation [#ff1a2276]
The early circuit. The late circuit.
*Circuit date code? [#da42a4e0]
The white ceramic circuit often has a code printed on it,...
-Numbers recorded 2,3,4,5
-Letters recorded A,B,H,I,K,L,O,R,S
,Stamp,Case date,Chip date,Quartz date,Circuit,Notes
,2,Jul 1974,,,,Quartz cylinder
,4,Aug 1974,344,,1,Quartz cylinder>Shock proof & non-shoc...
,5,May 1974,,41,1,Quartz cylinder>Adj square
,AA,-,,,,Quartz cylinder "44">Adj square
,AK2,Feb 1976,5 16,56,1,570A>Oval quartz>Adj square
,AO2,Aug 1975,7504,53,,Oval quartz>Adj square>Mvmt number...
,AA3,,,48,1,Quartz cylinder & oval>Adj square
,AI3,,,,,
,AK3,,,,1,570A>Oval quartz>Adj square
,AR3,,,,,
,AA4,Oct 1974,,,,Cylinder quartz>Non shock>Adj square
,AA4,Dec 1975,7421,47,,Cylinder quartz>Shock jewel>Adj sq...
,AO4,,,,1,Oval quartz>Adj square
,AA5,Oct 1975,,,1,Cylinder quartz>adj square
,AB5,Jan 197 ,7422,,1,Cylinder quartz>Shock proof>Adj slot
,AH5,May 1974 Apr May 1975,,,2,570 & 570A>Cylinder & oval...
,AI5,,,,,
,AL5,,,,1,Oval quartz>Adj slot
,AR5,,,,2,570 & 570A>Oval quartz>Adj slot
,AS5,,,,,
,B,Apr 1973,,,,Quartz cylinder>adj square>Early shock jew...
#ref(570A-2.jpg,right,around);
*570A [#hc560bbe]
Same basic design, with a few construction differences
-Rotor now cylindrical instead of vaned, with circular in...
-Fixed cap jewels instead of shockproof
-Quartz crystal attached to wheel bridge, oval, cylinder ...
-Two piece wheel bridge
-Seconds jumper jewel attached differently
-Jeweled reset lever screwed down
*571 & 572 [#m2dcd53a]
-Consumption 11 or 3 micro amps
End:
#ref(570-4.jpg,right,around,zoom,0x250);
Quartz movement
-Launched May 1973
-Produced from at least Apr 1973
-Continued to at least Feb 1976
-Successor [[590]] started production April 1975
-White ceramic circuit, often marked with a printed code
-[[RCA 81473 LSI>CMOS IC]] chip, date code in the form of...
-10 Jewels
-Some are marked "Three 3 Adj." ([[570017B]])
-Some even have a movement serial number ([[570001]])
-Battery 303
-Consumption 15 or 3 micro amps
-Coil resistance 2.8KOhms
-Some have a square to adjust rate & some a screwdriver s...
-Some have a shock proof setting on the rotor pivot
-Some have a large oval quartz can, some have a large cyl...
-Some have a more red coloured insulation on the coil
From [[thewatchforum.co.uk:https://thewatchforum.co.uk/in...
"The first volume movement was the cal 570, a conventiona...
From Electrifying the Wristwatch "The Riquartz 570 calibe...
date display was introduced in 1973; the dimensions were ...
http://hiiragi15.blog.fc2.com/blog-entry-3085.html
http://hiiragi15.blog.fc2.com/blog-entry-3086.html
http://www.crazywatches.pl/ricoh-570-dugena-riquartz-1974
*Example serial numbers [#a8d6ed16]
570 movement serial numbers seem to be extremely rare.
,''Number'',''Ref'',''Date'',''Features'',''Notes''
,010856,-,-,3 Adj-early shock jewel,Cover of Technical ma...
,010901,,,Brown circuit early shock quartz cylinder,Cover...
,011818,[[570001]],August 1975,3 Adj-late shock jewel,[[j...
-Most movements do not have a serial number
*Earliest recorded watches [#fe7538e8]
-CMOS-IC in quartz brochure dated 7318 for 18th week (ear...
-[[570009]] Apr 1973
-[[570011B]] Aug 1973
-[[570017B]] Sep 1973
-[[570022]] Oct 1973
*Latest recorded watch [#gccbdc0c]
-[[570040S]] Dec 1975
-[[570001 S>570001]] Feb 1976
*CMOS IC [#h1f30b25]
The [[CMOS>CMOS IC]] integrated circuit is made by RCA in...
The date code is four digits, first pair are the year, se...
-Earliest recorded IC marked 7324 for 24th week 1973.
-Latest recorded IC is marked 5 16 for 16th week 1975.
#ref(RCA-81473-2.jpg,around,right,zoom,0x150);
#ref(RCA-81473-1.jpg,zoom,0x150);
**Hitachi IC discovered [#u7f8d33c]
A circuit has come to light with a different IC, marked w...
#ref(570-9.jpg,zoom,0x200);
*Three 3 Adjustments [#o8b60934]
Some movements are marked Three 3 Adjustments, presumably...
-[[570001]]
-[[570011]]
-[[570017B]]
*Shock proof jewel [#ud48431b]
Earliest movements feature the same shock setting on the ...
*Circuit variation [#ff1a2276]
The early circuit. The late circuit.
*Circuit date code? [#da42a4e0]
The white ceramic circuit often has a code printed on it,...
-Numbers recorded 2,3,4,5
-Letters recorded A,B,H,I,K,L,O,R,S
,Stamp,Case date,Chip date,Quartz date,Circuit,Notes
,2,Jul 1974,,,,Quartz cylinder
,4,Aug 1974,344,,1,Quartz cylinder>Shock proof & non-shoc...
,5,May 1974,,41,1,Quartz cylinder>Adj square
,AA,-,,,,Quartz cylinder "44">Adj square
,AK2,Feb 1976,5 16,56,1,570A>Oval quartz>Adj square
,AO2,Aug 1975,7504,53,,Oval quartz>Adj square>Mvmt number...
,AA3,,,48,1,Quartz cylinder & oval>Adj square
,AI3,,,,,
,AK3,,,,1,570A>Oval quartz>Adj square
,AR3,,,,,
,AA4,Oct 1974,,,,Cylinder quartz>Non shock>Adj square
,AA4,Dec 1975,7421,47,,Cylinder quartz>Shock jewel>Adj sq...
,AO4,,,,1,Oval quartz>Adj square
,AA5,Oct 1975,,,1,Cylinder quartz>adj square
,AB5,Jan 197 ,7422,,1,Cylinder quartz>Shock proof>Adj slot
,AH5,May 1974 Apr May 1975,,,2,570 & 570A>Cylinder & oval...
,AI5,,,,,
,AL5,,,,1,Oval quartz>Adj slot
,AR5,,,,2,570 & 570A>Oval quartz>Adj slot
,AS5,,,,,
,B,Apr 1973,,,,Quartz cylinder>adj square>Early shock jew...
#ref(570A-2.jpg,right,around);
*570A [#hc560bbe]
Same basic design, with a few construction differences
-Rotor now cylindrical instead of vaned, with circular in...
-Fixed cap jewels instead of shockproof
-Quartz crystal attached to wheel bridge, oval, cylinder ...
-Two piece wheel bridge
-Seconds jumper jewel attached differently
-Jeweled reset lever screwed down
*571 & 572 [#m2dcd53a]
-Consumption 11 or 3 micro amps
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