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Rockford
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Movement Specs
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Rockford Watch Parts: Grade 101
Part Categories
Uncategorized
Uncategorized
Part
Factory Part Number
Balance Staff
519
Roller: Single
Balance Staff
520
Type: Old Thin Model
Roller: Single
Mainspring
543
Width Denison Guage: 21
Strength Denison Guage: 3
Length (Inches): 21