Product Description
Hampden 16 Size Balance staff part 2720 old number 158 22BB98 for 16 Size old 3/4 plate thin 1902 3rd model pivot 12
16S Bridge 1902 covered winding model
16S Bridge 1912 exposed winding model
Overall Height 5.60mm
Distance from Roller Seat to Pivot 2.92mm
Hairspring Collet hole 0.76mm
Balance arm hole 1.27mm
Roller hole 0.71mm
