Mainsprings

Fits Seiko Movement #s: 460 Measurements: 1.05 x 0.12 x 380 / 1.5 x 12.5 x 14.5

Fits Seiko Movement #s: 402 3140 6220A, 6220B, 6220C, 6220D 6222A, 6222B, 6222C Measurements: 1.05 x 0.13 x 340 / 1.5 x 9 x 14.25

6 x 9 1/2 x 12 1/2 White-a-Loy mainspring

Fits Seiko Movement #s: 6105 , 6106, 6109 6117 , 6118 , 6119  6138 , 6139  6306, 6309 , 6349

Quality Swiss Made Mainsprings for all popular calibers.

Quality Swiss Made Generic Rolex Mainsprings for all popular calibers.