0501 Watch Mainspring 1.30 x 0.08 x 240 (9 1/2") (Calibers in description)
Dimensions: 1.30 x 0.08 x 240 (9 1/2")
End Type: Double Brace
Material: Swiss Made unbreakable
Calibers:
Waltham 678, mainspring number 2251, 2262

Description
Dimensions: 1.30 x 0.08 x 240 (9 1/2")
End Type: Double Brace
Material: Swiss Made unbreakable
Calibers:
Waltham 678, mainspring number 2251, 2262
