0842 Watch Mainspring 1.50 x 0.10 x 280 (11")(Calibers in description)

Dimensions:  1.50 x 0.10 x 280 (11")

End Type: Tongue End

Material: Swiss Made blue steel

Calibers: 

Election 62, Election 500, Felsa 179, Felsa 330, FHF 183, FHF 183-1, FHF 207, GSW 23.7-4, Gruen 587, Jeambrun 217, Lavina 28, Lavina 123, Minerva 48, Minerva 49, Minerva 50, Oris 450A, Oris 451A, Osco 1065, Recta E 50, Recta F 3, Recta FB 5, Recta FFA, Recta FG, Recta FL, Rolex 10 1/2 King, Universal 260, Universal 261, Wittnauer 11D