0993 Watch Mainspring 1.60 x 0.1275 x 370 (14 1/2")(Calibers in description)

Dimensions: 1.60 x 0.1275 x 370 (14 1/2")

End Type: T End

Material: Swiss Made Unbreakable

Calibers: 

Longines 13Z, Longines 13.33, Longines 13.33 ZN, Longines 13.33 ZZC, Longines 13.34, Longines 13.43, Longines 13.56, Longines 13.56F, Longines 13.57, Longines 13.67, Longines 13.67 ZZ, Longines 13.81, Longines 13.82, Longines 13.82 ZZ, Longines 14, Longines 14.25, Longines 14.26