1333A Watch Mainspring 2.90 x 0.23 x 572 (22 1/2")(Calibers in description)
Dimensions:ย 2.90 x 0.23 x 572 (22 1/2")
End Type: Double Brace
Material: Swiss Made Unbreakable
Calibers:ย
Elgin 18 size full plate, 18 size 3/4 plate with going barrels, number 812

Description
Dimensions:ย 2.90 x 0.23 x 572 (22 1/2")
End Type: Double Brace
Material: Swiss Made Unbreakable
Calibers:ย
Elgin 18 size full plate, 18 size 3/4 plate with going barrels, number 812
