0490A Watch Mainspring 1.30 x 0.07 x 200 (8") (Calibers in description)

Dimensions:  1.30 x 0.07 x 200 (8")

End Type: Tongue End

Material: Swiss Made unbreakable

Calibers: 

Bauer 340
Benrus FT
Bulova 5AN, 5AR
Cortebert 650
Elgin 214
FHF 57, 571, 572,
GP 17.91
Longines 460
Otero 64, 262
Piaget 5P
Silvana 51.85, 6057, 7382
Universal 10
Wyler WR 312