771 Mainspring 1,35 mm x 0,10 mm x Ø 8.50 mm non Automatic: AM 23, A.M 320, AS 1444, AS 1449, Bulova 9AN, Felsa 371, Certina 22, Certina 23, Certina 25-011, MST 327, Roamer 327, Seiko 6602, Seiko 4361,

771 Mainspring 1,35 mm x 0,10 mm x Ø 8.50 mm non Automatic: AM 23, A.M 320, AS 1444, AS 1449, Bulova 9AN, Felsa 371, Certina 22, Certina 23, Certina 25-011, MST 327, Roamer 327, Seiko 6602, Seiko 4361,
€15.00

771 Mainspring 1,35 mm x 0,10 mm x Ø 8.50 mm non Automatic: AM 23, A.M 320, AS 1444, AS 1449, Bulova 9AN, Felsa 371, Certina 22, Certina 23, Certina 25-011, MST 327, Roamer 327, Seiko 6602, Seiko 4361,