Generic Seiko
Seiko Generic Mainspring 0401600
Fits Seiko Movement #s: 60M, Goldfeather Measurements: 1.15 x 0.115 x 360 / 2.5 x 10.5 x 15.5
$15.95
Seiko Generic Mainspring 0401640
Fits Seiko Movement #s: 3180 Measurements: 1.45 x 0.13 x 420 / 4.5 x 11 x 18.5
$15.95