Our Heritage
Over 170 years of Swiss precision and innovation in aviation instrumentation
170 Years of Swiss Excellence
Since 1853, SATHOM has been synonymous with precision, quality, and innovation in aviation instrumentation. Our rich heritage spans over a century and a half of continuous evolution and adaptation to the changing needs of the aerospace industry.
From the first mechanical timepieces to today's advanced aviation instruments, we have maintained our commitment to Swiss engineering excellence while embracing new technologies and methodologies.
Foundation Year
Years of Excellence
Major Milestones
Swiss Precision Since 1853
Our heritage is rooted in the tradition of Swiss precision manufacturing. Every instrument we create is a testament to the meticulous craftsmanship and attention to detail that has defined Swiss engineering for generations.
This commitment to precision has made SATHOM a trusted name among aviation professionals worldwide, from commercial airlines to military operations and private aviation.
Heritage Values
Craftsmanship
Meticulous attention to detail in every instrument we create
Precision
Swiss engineering standards maintained for over 170 years
Innovation
Continuous evolution while respecting our heritage
Reliability
Trusted by aviation professionals worldwide
Historical Milestones
1853
Foundation of THOMMEN as a precision clockmaking company in Switzerland
1916
First aviation instruments developed for early aircraft manufacturers
1936
Introduction of the first certified altimeters for commercial aviation
1945
Post-war expansion into military aviation instrumentation
2016
Integration into the DOMUSA Group, expanding global capabilities
2021
Waldenburg, 15th February 2021 - SATHOM SARL received EN9100:2018 certification, equivalent to AS9100D and JISQ 9100:2016 standards
2024
Waldenburg, 10th February 2024 - SATHOM SARL received its new EN9100:2018 - AS9100D certificate renewal
2025
Part 145 - Sathom newly UK CAA approved
Evolution Through the Decades
Foundation Years
Built on Swiss clockmaking traditions, establishing the foundation of precision manufacturing that continues today.
Modern Innovation
Combining traditional craftsmanship with cutting-edge technology to meet today's aerospace demands.
Future Vision
Pioneering next-generation instruments while maintaining our core values of precision and reliability.
Heritage Product Lines
Precision Altimeters
Accurate altitude measurement instruments
Airspeed Indicators
Reliable speed measurement systems
Vertical Speed Indicators
Precise rate of climb/descent instruments
Aircraft Clocks
Swiss precision timepieces for aviation
Living Legacy
Our heritage is not just history—it's the foundation upon which we build tomorrow's innovations.
From the founding workshops of 1853 to today's state-of-the-art facilities, the spirit of Swiss precision lives on in every SATHOM instrument.
Experience Our Heritage
Discover how 170 years of Swiss precision continues to drive innovation in modern aviation.