Mainsprings

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

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

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: 60M, Goldfeather Measurements: 1.15 x 0.115 x 360 / 2.5 x 10.5 x 15.5

Fits Seiko Movement #s: 3180 Measurements: 1.45 x 0.13 x 420 / 4.5 x 11 x 18.5

Quality Swiss & European Made Generic Mainsprings for popular Omega calibers

1.30 x 0.125 x 360 Swiss Mainspring

Quality Swiss Made Generic Rolex Mainsprings for all popular calibers.

MSS-WA65 Automatic Mainspring (GR2644X) Swiss Made
White-A-Loy 2 x 9 3/4 x 12 1/2

MSS-WA41 Automatic Mainspring (GR3983X) Swiss Made
White-A-Loy Size 5 1/2 x 10 x 13 3/4 /  1.45 x .11 x 320

Bestfit White-A-Loy Automatic Mainsprings

Quality Swiss Made Mainsprings for all popular calibers.