1158 Watch Mainspring 1.90 x 0.11 x 394 (15 1/2") (Calibers in description)
Dimensions: 1.90 x 0.11 x 394 (15 1/2")
End Type: Double Brace
Material: Swiss Made Blue Steel
Calibers:Β
Elgin 4/0 size, 1 st model, mainspring number 4789 (6096)

Description
Dimensions: 1.90 x 0.11 x 394 (15 1/2")
End Type: Double Brace
Material: Swiss Made Blue Steel
Calibers:Β
Elgin 4/0 size, 1 st model, mainspring number 4789 (6096)
