Manual Mainsprings 1.31mm - 1.35mm

Mainspring, 1.35 x 0.120 x 280 x 8.50, Manual

Mainspring, 1.35 x 0.123 x 309 x 9.50, Manual

Mainspring, 1.35 x 0.125 x 325 x 10.00, Manual

Mainspring, 1.35 x 0.130 x 250 x 9.50, Manual

Mainspring, 1.35 x 0.130 x 350 x 10.50, Manual

Mainspring, 1.35 x 0.130 x 350 x 11.00, Manual

Mainspring, 1.35 x 0.130 x 350 x 13.50, Manual

Mainspring, 1.35 x 0.133 x 295 x 9.50, Manual

Mainspring, 1.35 x 0.135 x 330 x 10.50, Manual

Mainspring, 1.35 x 0.145 x 350 x 12.0, Manual

Mainspring, 1.35 x 0.145 x 380 x 12.00, Manual, Landeron 48 [GR3530]

Mainspring, 1.35 x 0.175 x 470 x 15.00, Manual

Mainspring, 1.35 x 0.185 x 360 x 14.00, Manual