NOS ETA Part 445 Setting Lever Spring, Cal 2600, Multiple Calibers, Swiss Made

NOS UT Unitas Part 445 Setting Lever Spring, Cal 6325, Swiss, Mulitple Calibers

NOS ST Part 445 Setting Lever Spring, Cal 69, Multiple Calibers, Swiss Made

NOS UT Unitas Part 445 Setting Lever Spring, Cal 540, 6-3/4, Swiss Made

ETA Calibers 761 to 1260 Setting Lever Spring Part 445 Swiss made Choose 1 piece

Unitas 6365 + Many - Setting Lever Spring - Part 445 - 8.75''' (SC345)

Unitas 6431 Setting Lever Spring watch part #445 UT 6445 6461 6497 6503

FHF calibers 25 to 77-21 Setting lever Spring part 445 Swiss made choose 1 piece