0506 Watch Mainspring 1.30 x 0.08 x 280 (11") (Calibers in description)
Dimensions: 1.30 x 0.08 x 280 (11")
End Type: Tongue End
Material: Genuine ETA package
Calibers:
Cupillard 194
ETA 2640, 2641, 2660, 2661, 2691
Rayville 47
Rolex 7.8, 78
Tissot 19.4-3, 19,43

Description
Dimensions: 1.30 x 0.08 x 280 (11")
End Type: Tongue End
Material: Genuine ETA package
Calibers:
Cupillard 194
ETA 2640, 2641, 2660, 2661, 2691
Rayville 47
Rolex 7.8, 78
Tissot 19.4-3, 19,43
