0247 Watch Mainspring 1.10 x 0.105 x 320 (12 1/2 ")(Calibers in description)
Dimensions: 1.10 x 0.105 x 320 (12 1/2 ")
End Type: Double Brace Hole
Material: Genuine IWC part 8703 (blue steel)
Fits Calibers:
IWC 87, IWC 8703

Description
Dimensions: 1.10 x 0.105 x 320 (12 1/2 ")
End Type: Double Brace Hole
Material: Genuine IWC part 8703 (blue steel)
Fits Calibers:
IWC 87, IWC 8703
