TimeZone Watch School Instructor

Machiel Kalf


Machiel Kalf was referred to the TZ Watch School by J.J. Frey, the former owner and President of the Minerva Watch Company. Machiel is a Master Watchmaker who teaches watchmaking in Amsterdam.

Machiel received his formal watchmaker training at the Horlogemakers Vakschool in Holland. The course typically takes 4 years to complete, however Machiel demonstrated special aptitude and completed the course in 3 years. Following his graduation in 1972, Machiel went to work for Heuer, and he worked directly with Jack Heuer in Biel, Switzerland. Between 1974 and 1976, Machiel gained experience with quartz movements, working for Electro Time, the first company in Holland to import of LED and LCD watches. In 1976 Machiel went to work for JPC, one of the largest watch importers in Holland, where he gained great practical knowledge as the head of after-sales service. Machiel has also completed numerous advanced watchmaking courses in Switzerland.

In 1980, Machiel began his career as a watchmaking Instructor in Holland. Machiel has been teaching watchmaking now for 20 years. He was among the first group of graduates of the WOSTEP "Train the Trainers" course.

Currently Machiel is the Coordinator of the Watchmaking Department at the Roc Zadine Watchmaking School in Amsterdam. The school has approximately 80 students in 4 levels of classes. Machiel teaches the advanced students. Machiel's hobby is Morgan sports cars.

To see images of Machiel at the bench, and of his classroom in Amsterdam, click here.