Manual Mainsprings 1.66mm - 1.70mm

Mainspring, 1.70 x 0.105 x 400 x 10.50, Manual - DBH End

Mainspring, 1.70 x 0.110 x 360 x 10.50, Manual [GR4909]

Mainspring, 1.70 x 0.115 x 350 x 10.50, Manual

Mainspring, 1.70 x 0.115 x 380 x 10.50, Manual

Mainspring, 1.70 x 0.115 x 395 x 11.00, Manual

Mainspring, 1.70 x 0.120 x 340 x 10.50, Manual [GR4936]

Mainspring, 1.70 x 0.123 x 280 x 9.00, Manual

Mainspring, 1.70 x 0.123 x 280 x 9.50, Manual

Mainspring, 1.70 x 0.125 x 620 x 14.00, Manual

Mainspring, 1.70 x 0.130 x 300 x 10.00, Manual

Mainspring, 1.70 x 0.130 x 390 x 12.00, Manual

Mainspring, 1.70 x 0.140 x 330 x 11.50, Manual

Mainspring, 1.70 x 0.150 x 420 x 12.00, Manual

Mainspring, 1.70 x 0.155 x 420 x 13.00, Manual [GR5022]

Mainspring, 1.70 x 0.160 x 460 x 13.00, Manual

Mainspring, 1.70 x 0.160 x 480 x 14.00, Manual [GR5032]

Mainspring, 1.70 x 0.170 x 440 x 13.50, Manual

Mainspring, 1.70 x 0.170 x 460 x 14.00, Manual

Mainspring, 1.70 x 0.180 x 520 x 15.50, Manual - DBH End

Mainspring, 1.70 x 0.180 x 520 x 16.50, Manual