0833 Watch Mainspring 1.50 x 0.09 x 286 (11 1/4")(Calibers in description)

Dimensions:  1.50 x 0.09 x 286 (11 1/4")

End Type: Tongue End

Material: Swiss Made blue steel

Calibers: 

AV 149, Buren 975, Cortebert 571, EB 8350, EB 8350-66, EB 8350-67, EB 8354, EB 8354-66, EB 8354-67, EB 8356, EB 8361, EB 8361-66, EB 8361-67, EB 8364, EB 8365, EB 8365-66, EB 8365-67, EB 8366, EB 8367, EB 8451, EB 8454, EB 8455, Felsa 201, Felsa 204, Felsa 229, Felsa 236, FEF 170, FEF 171, FEF 172, FEF 173, FEF 174, FEF 175, FEF 176, FEF 177, FEF 178, FEF 179, FEF 180, FEF 181, FEF 182, FEF 183, FEF 184, FEF 185, FEF 186, FEF 187, FEF 188, FEF 189, GP 86, Marvin 757, Mido 800, Mido 800A, Mido 800B, Mido 800C, Parrenin 61