Manual Mainsprings 1.71mm - 1.80mm

Mainspring, 1.70 x 0.080 x 300 x 7.50, Manual

Mainspring, 1.75 x 0.090 x 294 x 8.00, Manual

Mainspring, 1.75 x 0.090 x 325 x 9.00, Manual

Mainspring, 1.75 x 0.093 x 235 x 8.00, Manual

Mainspring, 1.75 x 0.098 x 380 x 10.00, Manual

Mainspring, 1.75 x 0.100 x 330 x 9.00, Manual

Mainspring, 1.75 x 0.100 x 330 x 9.50, Manual

Mainspring, 1.75 x 0.100 x 340 x 9.00, Manual

Mainspring, 1.75 x 0.103 x 301 x 9.00, Manual

Mainspring, 1.75 x 0.105 x 360 x 10.00, Manual

Mainspring, 1.75 x 0.105 x 360 x 9.50, Manual

Mainspring, 1.75 x 0.110 x 354 x 10.00, Manual

Mainspring, 1.75 x 0.110 x 380 x 10.50, Manual, T-End, Longines 12.68Z [GR5159-T]

Mainspring, 1.75 x 0.115 x 304 x 10.00, Manual

Mainspring, 1.75 x 0.115 x 341 x 10.00, Manual

Mainspring, 1.75 x 0.120 x 350 x 9.50, Manual

Mainspring, 1.75 x 0.130 x 420 x 11.50, Manual

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