Manual Mainsprings 1.36mm - 1.40mm

Mainspring, 1.40 x 0.110 x 535 x 13.00, Manual

Mainspring, 1.40 x 0.115 x 255 x 9.00, Manual

Mainspring, 1.40 x 0.115 x 340 x 9.50, Manual - T-End

Mainspring, 1.40 x 0.120 x 200 x 8.00, Manual

Mainspring, 1.40 x 0.120 x 300 x 9.00, Manual

Mainspring, 1.40 x 0.120 x 340 x 10.50, Manual, FHF 73 [GR3729]

Mainspring, 1.40 x 0.123 x 340 x 11.00, Manual - T-End

Mainspring, 1.40 x 0.125 x 360 x 11.00, Manual, Record 022-18 [GR3742]

Mainspring, 1.40 x 0.128 x 335 x 11.00, Manual  (Supplied in old style tub, not a ring.  …

Mainspring, 1.40 x 0.135 x 340 x 11.00, Manual, AS 1560

Mainspring, 1.40 x 0.140 x 330 x 11.00, Manual

Mainspring, 1.40 x 0.140 x 485 x 13.50, Manual

Mainspring, 1.40 x 0.140 x 590 x 14.50, Manual

Mainspring, 1.40 x 0.145 x 570 x 13.50, Manual

Mainspring, 1.40 x 0.150 x 350 x 11.50, Manual

Mainspring, 1.40 x 0.150 x 420 x 12.50, Manual

Mainspring, 1.40 x 0.150 x 460 x 13.00, Manual

Mainspring, 1.40 x 0.150 x 570 x 13.50, Manual

Mainspring, 1.40 x 0.150 x 590 x 15.00, Manual

Mainspring, 1.40 x 0.150 x 600 x 15.00, Manual