Manual Mainsprings 1.81mm - 1.90mm

Mainspring, 1.90 x 0.135 x 360 x 11.00, Manual

Mainspring, 1.90 x 0.135 x 360 x 11.50, Manual

Mainspring, 1.90 x 0.160 x 410 x 12.50, Manual - DBH End

Mainspring, 1.90 x 0.160 x 680 x 16.50, Manual

Mainspring, 1.90 x 0.170 x 460 x 14.00, Manual

Mainspring, 1.90 x 0.180 x 540 x 16.00, Manual, FHF 2141

Mainspring, 1.90 x 0.200 x 520 x 16.00, Manual [GR5662]

Mainspring, 1.90 x 0.230 x 500 x 19.00, Manual [GR5699]

Mainspring, 1.90 x 0.280 x 660 x 23.00, Manual