1098 Watch Mainspring 1.75 x 0.11 x 343 (13 1/2")(Calibers in description)

Dimensions: 1.75 x 0.11 x 343 (13 1/2")

End Type: Tongue End

Material: Swiss Made Unbreakable

Calibers: 

AS 1104, AS 1119, AS 1203 (12 ligne), AS 1207, AS 1208, AS 1263, AS 1266, AS 1267, AS 1311, Mido 1191, Mido 1192, Mido 1281