Description: Hermle barrel mainspring measures 17mm x 0.40mm x 1200mm. For #20 #21, #50. #56 and #58 barrels & others. Also used on Urgos UW06 Time & Strike.
Item #: 15924
Condition: New
Price: $13.00
as low as: $12.75
3 or more
.472" x .0134" x 45.3" Hole End Mainspring For #31 Hermle Barrel New
Barrel mainspring measures 12mm x 0.34mm x 1150mm. For #31 barrel and others.