We specialise in producing sapphire crystals for Swiss watchmakers. Our expertise allows us to control every aspect of our proprietary machining process as we turn rough sapphire into perfectly machined crystals ready to fit to watch cases.

Erma Boécourt SA employs a wide range of skills at every stage of the sapphire crystal production process. With over 50 years’ experience, Erma Boécourt SA today uses the most specialised machining techniques in the Swiss watchmaking industry. Customers trust and value our reputation for expertise and Swiss-made products.

Our in-depth knowledge and our geographic location are assets that allow us to react quickly and flexibly to the ever-changing needs of our customers.