Description
balance springs for watches, The spring of the balance is also called hairspring (flat spiral). It was invented in 1675 (according to another source in 1665) by Christiaan Huygens. Here the points of .
Beige and white GG Supreme canvas
nivachron balance springs
Gold-toned hardware
clock balance wheel hairspring
Double G
Inside: 8 open pocket
clock balance wheel adjustment
Chain top handle with 7″ drop
Top zip closure
mechanical watch balance wheel
9.4″W x 2.9″H x 3.2″D
Weight: 0.8lbs approximately
automatic watch balance wheel