The seconds hand of this watch is attached to what movement component?

(Remember, no peeking!)

John D. Duvall
Vice President, Education

Okay, the next one will be a little tougher. Sixteen out of eighteen participants got this one correct! It is the 4th wheel.


POTANCE/POTENCE - Houses the lower balance jewels on most, if not all, full plate, 18s movements.

3RD WHEEL - Interfaces between the 4th Wheel and Center/2nd Wheel.

CROWN WHEEL - Interfaces between the winding pinion and ratchet wheel.

CANNON PINION - Fitted to the center wheel arbor and drives the minute wheel. Minute hand is fitted to the top end.

John D. Duvall
Vice President, Education