Manual Mainsprings 1.51mm - 1.55mm

Mainspring, 1.55 x 0.105 x 280 x 9.00, Manual, ETA 900 [GR4390]

Mainspring, 1.55 x 0.110 x 285 x 8.50, Manual

Mainspring, 1.55 x 0.110 x 295 x 9.50, Manual

Mainspring, 1.55 x 0.125 x 340 x 10.50, Manual

Mainspring, 1.55 x 0.130 x 557 x 13.50, Manual

Mainspring, 1.55 x 0.133 x 295 x 9.50, Manual

Mainspring, 1.55 x 0.133 x 355 x 11.00, Manual

Mainspring, 1.55 x 0.135 x 400 x 12.00, Manual T-End, Longines 30L [GR4210T]

Mainspring, 1.55 x 0.140 x 650 x 14.00, Manual

Mainspring, 1.55 x 0.210 x 445 x 14.50, Manual