Presto Hands, Cannon Pinions Chronograph Driving Wheel Remover

Pocket watch movements and chronograph plates present thicker hands and tighter friction fits. We shape the 30637-2 with heavier jaws to grasp under stubborn components without flexing. When the spring leaves close, the jaws lift squarely upward while the central pin steadies itself against the post.

Heavy jaw profile

We cut thicker steel jaws on the 30637-2 to handle the stubborn friction fit of pocket watch hands and driving wheels. The edges get right under the boss before the lift begins.

Central stop pin

The center runner descends as the sides are squeezed, bracing directly against the post or pinion arbor. This keeps the pulling force straight up so the arbor avoids side loads.

Spring leaf action

Two broad steel side springs control the jaw closure and the upward travel in one continuous pinch. You feel the pinion break free in your fingers rather than guessing at the tension.

Dedicated movement work

Keep this pattern on the rack for pocket calibres, chronograph sweep wheels, and tight cannon pinions. It lives beside the standard dial hand lifters but handles the heavy work.