Hermle Clock Hand Nut Black NEW For Mechanical Grandfather Movement 10

1 piece NEW hand nut to fit a Hermle mechanical grandfather clock movement - a Hermle grandfather clock movement that winds by pulling the chains or by winding the clock with a key or crank.  10 mm (about 3/8") diameter is the correct size for grandfather clock movements.  Correct thread size for all Hermle movements.  Black color.  Made in Germany. THIS HAND NUT WILL NOT FIT A BATTERY POWERED CLOCK MOVEMENT.
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