THE GLASHÜTTE OBSERVATORY
Located in the heart of Germany’s watchmaking capital, the Glashütte Observatory is a renowned institution dedicated to chronometric certification.
Origin and history
The Glashütte Observatory was officially inaugurated in 1910 under the direction of Julius Eppig. Its main mission was to conduct astronomical research and support the local watchmaking industry by testing and certifying the precision of watches. After the Second World War, the Observatory faced significant challenges, including a change of direction during the GDR era. Despite these difficulties, it retained its importance in the field of precision measurement.
In 2006, the Observatory was revitalized thanks to the support of the German watchmaking industry. It underwent significant improvements, transforming it into an establishment capable of certifying chronometers according to the strictest international standards.
Main Areas of Activity
The Observatory is one of the few establishments authorized to certify chronometers in Germany, in accordance with the DIN 8319 standard, the German standard for chronometer certification. Watches undergo rigorous testing there to ensure they meet strict criteria of precision and reliability.
Certification Criteria
The Glashütte Observatory complies with the DIN 8319 standard for chronometer certification.
1. Precision Test
- The Movements undergo a 15-Day testing Period.
- Watches are evaluated in five different positions (Dial up, Dial down, Crown left, Crown up and Crown down) and at three different temperatures (8°C, 23°C and 38°C).
2. Rate variation
- The daily deviation of the Movement must fall between -4/+6 seconds per Day, guaranteeing exceptional timekeeping performance.
3. Assembled watches
- Unlike some certification processes that test unassembled Movements, the Glashütte Observatory tests watches in their complete case, ensuring results representative of real-world usage conditions.
4. Marking and certification
- Certified chronometers receive an official certificate and may bear a hallmark indicating their compliance with the DIN standard. This hallmark is a symbol of prestige, signifying the highest standards of German chronometry.
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