When ordering: Please use related movement & barrel number.
Part #
HMS54
Description
54 Hermle Manispring. Size 21mm x .42mm x 1900mm, Made in Germany Inch equivalent 0.828in x .0165in x 74 13/16in, For Barrels 52
For Movement
350, 351-020. 351-030
For Barrel
54
Movement Train
Chime
Mainspring Width
21mm
Mainspring Length
1900mm
Mainspring Strength
.42mm
Brand
Hermle
Mainspring (In)
Strength
.0165in