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Instructor: Tony Paster

Workshop Fee:
NAWCC Member

$660 Early Bird (before 4/5/2014)

$710 Regular

Non Member

$700 Early Bird (before 4/5/2014)

$750 Regular

Lab Fee: $50.00

Click Here to Register Online


School of Horology
514 Poplar Street
Columbia, PA 17512
Phone: 717-684-8261 ext.237

 Hairspring Replacement

Participant will learn how to:

  • Identify the proper replacement hairspring
  • Vibrate a new spring to the proper beat per hour
  • Pin and collet the hairspring

The participant must have prior experience with hairspring adjustment to be successful in this class.

Tools Student Required to Bring:

·        Selection of eye loupes 10x, 4x

·        Jewelers screwdrivers

·        Parts tray w/ cover

·        Hairspring collet lifting levers

·        Tweezers 8, 7, 5, or 3C

·        Small smoothing broaches

·        Dust blower

·        Brass hammer

Optional Tools Student May Bring:

·        Pithwood

·        Rodico

·        Pegwood


The workshop will be held at the NAWCC School of Horology on Tuesday-Friday,  between the hours of 8:00 and 4:30. This includes two 15 minute breaks and 1 hour for lunch.