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Dried lemon
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Additional information
| Good | Dried Lemon |
|---|---|
| Net Weight | 200 g |
| Origin | Egypt |
| Taste/Type | Yellow |
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| Good | Dried Lemon |
|---|---|
| Net Weight | 200 g |
| Origin | Egypt |
| Taste/Type | Yellow |
1.50 €
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by Scottnurge
Understanding COSC Validation and Its Importance in Horology
COSC Validation and its Strict Criteria
COSC, or the Official Swiss Chronometer Testing Agency, is the authorized Switzerland testing agency that certifies the precision and precision of wristwatches. COSC certification is a symbol of superior craftsmanship and reliability in timekeeping. Not all timepiece brands pursue COSC certification, such as Hublot, which instead adheres to its proprietary strict standards with mechanisms like the UNICO calibre, attaining comparable precision.
The Science of Precision Chronometry
The central mechanism of a mechanical timepiece involves the spring, which supplies energy as it loosens. This system, however, can be susceptible to external elements that may affect its precision. COSC-accredited mechanisms undergo rigorous testing—over 15 days in various conditions (five positions, three temperatures)—to ensure their resilience and reliability. The tests evaluate:
Average daily rate precision between -4 and +6 secs.
Mean variation, highest variation rates, and impacts of thermal variations.
Why COSC Certification Matters
For watch fans and collectors, a COSC-accredited timepiece isn’t just a item of technology but a demonstration to lasting excellence and accuracy. It represents a timepiece that:
Provides exceptional reliability and precision.
Ensures guarantee of superiority across the whole construction of the timepiece.
Is apt to hold its worth more effectively, making it a sound investment.
Famous Chronometer Brands
Several famous brands prioritize COSC validation for their timepieces, including Rolex, Omega, Breitling, and Longines, among others. Longines, for instance, offers collections like the Record and Spirit, which highlight COSC-validated movements equipped with innovative substances like silicon balance suspensions to boost durability and performance.
Historic Context and the Evolution of Timepieces
The concept of the timepiece dates back to the requirement for accurate timekeeping for navigation at sea, emphasized by John Harrison’s work in the 18th cent. Since the formal foundation of COSC in 1973, the certification has become a yardstick for judging the precision of luxury timepieces, continuing a tradition of excellence in watchmaking.
Conclusion
Owning a COSC-accredited timepiece is more than an aesthetic choice; it’s a dedication to excellence and precision. For those valuing precision above all, the COSC certification offers tranquility of thoughts, ensuring that each accredited watch will perform dependably under various circumstances. Whether for personal contentment or as an investment decision, COSC-certified watches distinguish themselves in the world of horology, maintaining on a tradition of careful chronometry.
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