Manual Mainsprings 1.71mm - 1.80mm

Mainspring, 1.75 x 0.130 x 430 x 12.50, Manual

Mainspring, 1.75 x 0.135 x 340 x 11.50, Manual

Mainspring, 1.75 x 0.138 x 420 x 12.00, Manual

Mainspring, 1.75 x 0.140 x 420 x 12.00, Manual

Mainspring, 1.75 x 0.180 x 540 x 16.50, Manual

Mainspring, 1.80 x 0.065 x 220 x 5.50, Manual

Mainspring, 1.80 x 0.070 x 240 x 6.50, Manual [GR5196]

Mainspring, 1.80 x 0.070 x 250 x 7.00, Manual

Mainspring, 1.80 x 0.075 x 210 x 6.50, Manual

Mainspring, 1.80 x 0.075 x 230 x 6.50, Manual

Mainspring, 1.80 x 0.075 x 265 x 7.00, Manual

Mainspring, 1.80 x 0.075 x 270 x 7.00, Manual

Mainspring, 1.80 x 0.075 x 280 x 7.50, Manual (Supplied in old tub style not ring)

Mainspring, 1.80 x 0.075 x 310 x 7.50, Manual

Mainspring, 1.80 x 0.075 x 310 x 8.00, Manual

Mainspring, 1.80 x 0.075 x 320 x 8.00, Manual [GR5206]

Mainspring, 1.80 x 0.080 x 270 x 7.50, Manual

Mainspring, 1.80 x 0.080 x 275 x 8.00, Manual (Supplied in old tub style not ring)

Mainspring, 1.80 x 0.080 x 280 x 7.00, Manual

Mainspring, 1.80 x 0.080 x 280 x 8.00, Manual [GR5212]