Manual Mainsprings 1.46mm - 1.50mm

Mainspring, 1.50 x 0.185 x 420 x 14.00, Manual, DBH End, Omega 37.5, 140 142

Mainspring, 1.50 x 0.190 x 500 x 15.50, Manual [GR4333]

Mainspring, 1.50 x 0.210 x 475 x 15.50, Manual

Mainspring, 1.50 x 0.210 x 475 x 16.00, Manual