0547 Watch Mainspring 1.30 x 0.11 x 320 (12 1/2") (Calibers in description)

Dimensions:  1.30 x 0.11 x 320 (12 1/2")

End Type: tongue end

Material: Genuine Omega Factory

Calibers: 

Alpina 490, AS 635, AS 684, AS 1530, Concord 249W, Doxa 103, Doxa 104, Durowe F, Eterna 18, Election 665, Eterna 710, Eterna 710S, Femga 150, Helbros 37, Helbros 41, Helbros 69, Omega 381, Rolex 7 3/4 11-144, Silvana 7775, Silvana 7785, Tissot 26.9-21, Universal 289, Winton 88-8