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Pocket Watch Database
Illinois
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Movement Specs
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Find a Mainspring
Find a Balance Staff
Illinois Watch Parts: Grade 110
Part Categories
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Arbors
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Studs
Part
Factory Part Number
Studs: Hairspring
604
Catalog Number: 6943
Configuration: Hunting or Openface
Hairspring Type: Breguet
Studs: Hairspring
602
Catalog Number: 6944
Configuration: Hunting or Openface
Hairspring Type: Flat
