Manual Mainsprings 1.46mm - 1.50mm

Mainspring, 1.50 x 0.135 x 340 x 11.00, Manual

Mainspring, 1.50 x 0.135 x 345 x 10.50, Manual

Mainspring, 1.50 x 0.135 x 360 x 11.50, Manual [GR4208]

Mainspring, 1.50 x 0.138 x 330 x 11.50, Manual

Mainspring, 1.50 x 0.140 x 260 x 10.00, Manual

Mainspring, 1.50 x 0.140 x 260 x 10.50, Manual

Mainspring, 1.50 x 0.140 x 270 x 10.50, Manual

Mainspring, 1.50 x 0.140 x 300 x 11.00, Manual

Mainspring, 1.50 x 0.140 x 320 x 11.50, Manual

Mainspring, 1.50 x 0.140 x 320 x 11.50, Manual, Omega 260 [GR4227] Also Omega 30T2, 261, 262, 265, …

Mainspring, 1.50 x 0.140 x 400 x 12.00, Manual [GR4231]

Mainspring, 1.50 x 0.140 x 490 x 14.00, Manual

Mainspring, 1.50 x 0.140 x 500 x 13.50, Manual

Mainspring, 1.50 x 0.145 x 400 x 12.00, Manual [GR4248]

Mainspring, 1.50 x 0.150 x 333 x 11.50, Manual

Mainspring, 1.50 x 0.150 x 380 x 12.00, Manual [GR4256]

Mainspring, 1.50 x 0.150 x 400 x 12.50, Manual [GR4257]

Mainspring, 1.50 x 0.150 x 500 x 14.00, Manual

Mainspring, 1.50 x 0.155 x 550 x 16.00, Manual

Mainspring, 1.50 x 0.155 x 590 x 16.00, Manual