Manual Mainsprings 1.31mm - 1.35mm

Mainspring, 1.31 x 0.074 x 205 x 6.50, Manual

Mainspring, 1.33 x 0.055 x 200 x 5.50, Manual

Mainspring, 1.33 x 0.080 x 225 x 7.50, Manual

Mainspring, 1.33 x 0.085 x 230 x 7.50, Manual

Mainspring, 1.33 x 0.093 x 225 x 7.50, Manual

Mainspring, 1.33 x 0.103 x 330 x 9.50, Manual

Mainspring, 1.33 x 0.105 x 350 x 10.00, Manual, ETA 2390

Mainspring, 1.35 x 0.050 x 160 x 6.00, Manual

Mainspring, 1.35 x 0.060 x 160 x 5.00, Manual

Mainspring, 1.35 x 0.060 x 220 x 6.00, Manual

Mainspring, 1.35 x 0.060 x 340 x 7.00, Manual

Mainspring, 1.35 x 0.063 x 155 x 5.00, Manual

Mainspring, 1.35 x 0.065 x 180 x 5.50, Manual

Mainspring, 1.35 x 0.065 x 210 x 5.50, Manual

Mainspring, 1.35 x 0.065 x 210 x 6.00, Manual

Mainspring, 1.35 x 0.065 x 210 x 6.50, Manual

Mainspring, 1.35 x 0.070 x 240 x 7.00, Manual

Mainspring, 1.35 x 0.070 x 240 x 7.50, Manual

Mainspring, 1.35 x 0.070 x 260 x 6.50, Manual

Mainspring, 1.35 x 0.070 x 270 x 7.00, Manual