Specialist in production
and sapphire crystal shaping
As a true specialist in the production and shaping of sapphire crystals, Erma Boécourt SA places its know-how and experience at the service of leading watchmaking groups. Today, Erma stands out as an established player in the Swiss watchmaking industry, positioning itself on skills that combine precision, quality and flexibility, and offering Swiss made products, up to 100% Swiss, using our partner TIMSAPH's material manufactured in our region.
Precision, quality
and Swiss know-how
Precision is an integral part of all our manufacturing processes, in order to offer products that achieve perfection. In this way, our company meets the demands for precision and cutting-edge technology, while at the same time emphasizing the traditions that are so deeply rooted in the Swiss watchmaking industry.
News
erma
Depuis plusieurs années, ERMA investit dans les nouvelles technologies et développe continuellement son savoir-faire dans les techniques d'usinage et de terminaison.
Aujourd'hui, notre expertise s'étend à l'usinage de céramiques techniques en plus du saphir. Ces matériaux exigeants nécessitent une parfaite maîtrise des procédés de fabrication.
Grâce à notre expérience, nous réalisons des pièces de haute précision, des géométries complexes et des composants à forte valeur ajoutée.
Nous accompagnons ainsi nos clients dans leurs projets les plus ambitieux et renforçons notre position dans l'usinage de précision.
Découvrez en vidéo comment cette évolution façonne l'avenir d'ERMA
De l'usinage de composants traditionnels aux pièces en céramiques et en saphir, découvrez notre vision et notre expertise. https://www.erma-sa.ch/wp-content/uploads/2026/07/ERMA_Presentation_site.mp4Cette vidéo illustre parfaitement notre évolution. À l'occasion de notre participation à l'EPHJ 2026, nous avons présenté cette innovation au public.
Chez ERMA, cette évolution s'appuie sur des investissements continus et le développement de nouvelles compétences. Notre maîtrise de l'usinage de précision, des matériaux techniques et des géométries complexes répond aux besoins croissants de nos clients. Nous concevons et fabriquons des composants alliant précision, innovation et forte valeur ajoutée.
Vous avez un projet nécessitant l'usinage de céramiques techniques ou de saphir ? Nos spécialistes sont à votre disposition pour vous accompagner.
Contact us
Visionnez les images de l'EPHJ avec Erma ! Revivez nos instants et découvrez nos dernières innovations dans cette vidéo.
https://www.erma-sa.ch/wp-content/uploads/2026/07/ERMA_EPHJ_4K.mp4
This year, the ERMA BOECOURT SA team unveils a new piece, the result of precision work and a demanding approach to detail.
???? Join us in Geneva from June 16 to 19 to discover this new product and discuss your projects with our teams.
Visit us on stand M13 to discover our expertise!
Prepare your visit
Days remaining
EPHJ 2026 | Palexpo Geneva | Stand M13
From June 16 to 19, 2026, at Palexpo Geneva, the EPHJ will bring together the major players in high-tech, watchmaking, microtechnology and medtech.
For ERMA SA, it's an opportunity to highlight our know-how in precision machining and demonstrate how our expertise in sapphire work meets the most exacting requirements of the watchmaking and microtechnology industries.
Our specialists will be on hand to present our latest achievements, discuss your needs and share concrete solutions to your industrial challenges in terms of precision, quality and performance.
Visit us on stand M13 to discover our expertise!
EPHJ (Environnement Professionnel Horlogerie-Joaillerie) is Switzerland's leading trade show dedicated to the high-precision professions. A genuine forum for exchanges between manufacturers, engineers, decision-makers and innovators, it offers a unique platform for exploring the latest technological advances, dialoguing with industry experts and developing new opportunities for collaboration.
Our expertise
Days remaining
EPHJ 2026 | Palexpo Geneva | Stand M13
From June 03 to 06, we'll be unveiling an exclusive piece specially designed for EPHJ, a true demonstration of our exceptional sapphire craftsmanship.
Visit us on stand L13 to discover this achievement!
Our expertiseEPHJ
The EPHJ Show (Environnement Professionnel Horlogerie-Joaillerie) is a major international event dedicated to the high-precision professions, bringing together professionals from the watchmaking-jewelry, microtechnology and medtech sectors in Geneva every year. For over 20 years, it has been a key innovation and business hub for discovering the latest trends and technological advances.
https://www.erma-sa.ch/wp-content/uploads/2025/05/CAR-OP1-PERCAGE-1-6.mp4Techniques
state-of-the-art
Erma Boécourt SA has a wide range of skills to cover every stage of the sapphire crystal transformation process. With over 50 years' experience under its belt, Erma Boécourt SA has mastered the most advanced machining processes in the Swiss watchmaking world. Our national know-how and "Swiss made" products reinforce our credibility with the various customers we work with on a daily basis.
The company
Erma is an independent, family-owned company located in the heart of the Swiss Jura, in Boécourt, a region strongly influenced by the watchmaking culture and industry. What sets us apart today is our manufacturing and machining process, which can be described as 100% Swiss Made.