Manual Mainsprings 1.56mm - 1.60mm

Mainspring, 1.60 x 0.130 x 650x 15.00, Manual

Mainspring, 1.60 x 0.130 x 660x 15.00, Manual [GR4572]

Mainspring, 1.60 x 0.135 x 360 x 12.50, Manual

Mainspring, 1.60 x 0.140 x 340 x 11.00, Manual [GR4588]

Mainspring, 1.60 x 0.140 x 400 x 12.00, Manual, Valjoux 7730 [GR4591]

Mainspring, 1.60 x 0.170 x 380 x 13.50, Manual [GR4648]

Mainspring, 1.60 x 0.170 x 460 x 14.00, Manual

Mainspring, 1.60 x 0.180 x 445 x 14.00, Manual

Mainspring, 1.60 x 0.180 x 500 x 15.00, Manual [GR4673]

Mainspring, 1.60 x 0.180 x 500 x 15.50, Manual

Mainspring, 1.60 x 0.210 x 560 x 17.00, Manual [GR4712]

Mainspring, 1.60 x 0.90 x 270 x 8.50, Manual

Mainspring, Manual, 1.60 x 0.130 x 420 x 12.00, Venus 150, 175, 178, 188