Hermle FHS Barrel #32 Backwind comes complete with Mainspring CP-M1210H. Hermle FHS Barrel #32 Backwind comes with a threaded arbor backwind. All FHS Barrels are stamped with a number right on the barrel making it super easy for you to reorder! This number 32 Backwind barrel fits Hermle FHS movement 130-627 time side.

Measurements: All in mm

Diameter of the barrel at teeth	39.6
Number of teeth	70
Diameter of barrel casing	36.5
Height of barrel	15