Manual Mainsprings 0.50mm - 1.00mm

Mainspring, 1.00 x 0.115 x 320 x 10.50, Manual - DBH End, IWC 402 423 [GR2463DBH]

Mainspring, 1.00 x 0.115 x 320 x 9.50, Manual, FE 140 [GR2463]

Mainspring, 1.00 x 0.115 x 340 x 10.00, Manual [GR2464]

Mainspring, 1.00 x 0.120 x 300 x 9.50, Manual, ETA, Peseux 7001 [GR2467]

Mainspring, 1.00 x 0.140 x 360 x 11.50, Manual

Mainspring, 1.00 x 0.150 x 313 x 11.00, Manual

Mainspring, 1.00 x 0.160 x 420 x 13.50, Manual

Mainspring, 1.00 x 0.190 x 430 x 15.0, Manual

Mainspring, 1.00 x 0.200 x 520 x 16.0, Manual