1145 Watch Mainspring 1.85 x 0.10 x 318 (12 1/2") (Calibers in description)

Dimensions: 1.85 x 0.10 x 318 (12 1/2")

End Type: Tongue End

Material: Swiss Made Blue Unbreakable

Calibers: 

Alpina 636, Alpina 642, Amida 500, Amida 501, Amida 502, Amida 506, Amida 507, OM 115, OM 116, OM 125, OM 126, Mido 1002, Peseux 170, Peseux 170A, Peseux 171, Peseux 171A, Peseux 172, Peseux 172A, Peseux 173, Peseux 174, Peseux 175, Peseux 176, Peseux 176A, Peseux 190, Peseux 190A, Peseux 192, Peseux 192A