Balance Hairspring Manufacturing

Theory and practice of assembling watch regulating organs

Mastering the design and shaping the geometry of a metal alloy hairspring

Next dates for this course

  • 27 October 2025 - 7 November 2025 - Only in English
Course duration 2 weeks
Level Advanced
Languages English
Price CHF 4'200.-

Training objectives

  • Balance Hairspring Manufacturing course allows participants to develop practice and knowledge in precision timing and its intricacies.

Prerequisites

The Balance Hairspring Manufacturing course is open to all participants who have attended a watchmaking school and have a complementary experience in watch repairs. 

Watchmakers with no equivalent educational background or training, must have a minimum of 3 years full-time experience in watchmaking.

The participants need to possess the fundamentals skills and experience as performed in the Chronometry AdjustmentsWOSTEP course.

We strongly stress the fact that these requirements are necessary in order to fully benefit from the Balance Hairspring Manufacturing WOSTEP course. 

Program

Main topics

Assembly

  • Regulating organs assembly
  • Fitting a new balance staff

Adjustments

  • Performing the truing and poising of balance wheels
  • Colleting, counting and shaping a metal alloy hairspring
  • Using Leroy’s formula to align the inner and the outer pinning point of a hairspring
  • Adjusting and manipulating the hairspring to match the bridge regulating device

Fine timing

  • Performing dynamic poising of the balance assembly
  • Achieving COSC chronometry standards

Price

CHF 4’200.- per person (accommodation and meals not included)

Note: special rates are available for several of our watchmaking courses if they are attended "in a row", adding up to 3 weeks or more. Please see our current Price List and information provided on our website for further details about these combination options, in this case options 2 to 6. 

 

 

  • Other discounts:
  • -10% discount for donators
  • -75% discount for Partnership teachers
  • -25% discount for active members

 

WOSTEP endeavours to keep its prices constant. However, we reserve the right to change our prices at any time without further notice.

Participant

Maximum 6 participants per session.

Schedule

Monday to Friday: 08:30 – 12:00 / 13:30 – 17:00.

Cancellation

Please note, that if you cancel your participation less than 30 days before the beginning of the course, the fees will not be reimbursed.

Informationen zum Kurs sind auch auf Deutsch verfügbar, au Anfrage unter wostep@wostep

Informazioni sul corso sono disponibili anche in italiano, su richiesta all'indririzzo wostep@wostep.ch

Información es sobre el curso también están disponibles en castellano, previa solicitud en woste@wostep.ch