ETA
Nivaflex automatic mainsprings for wristwatches
Nivaflex mainsprings from Boley for automatic winders.
Nivaflex mainsprings from Boley for automatic winders.
4006x Previous product10/11Next product
name4006x
width1.45
Ø11.0
thickness0.125
length420
calibreETA 2770.2772
item No.82040060