Product Description
Hampden 3/0S Size Balance staff part 10721 old number 22BB105
Short Overall Height 3.64mm
Distance from Roller Seat to Pivot 1.76mm
Hairspring Collet hole 0.67mm
Balance arm hole 1.02mm
Roller hole 0.59mm
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Hampden 3/0S Size Balance staff part 10721 old number 22BB105
Short Overall Height 3.64mm
Distance from Roller Seat to Pivot 1.76mm
Hairspring Collet hole 0.67mm
Balance arm hole 1.02mm
Roller hole 0.59mm