Tovább a tartalomra
A PÁLYÁZATRÓL
A CÉLCSOPORT BEMUTATÁSA
KONZURCIUMI TAGOK
Szakmaközi Művelődési Ház Egyesület
VOKE Szolnok
TEMI Fried Művelődési Ház Alapítványa
PROGRAMOK
SZAKMAI CIKKEK
FOTÓ GALÉRIA
KLUBFOGLALKOZÁS FOTÓK
WORKSHOP FOTÓK
CSALÁDI NAP FOTÓK
SZAKMAI RENDEZVÉNYEK FOTÓK
FENNTARTÁSI IDŐSZAK PROGRAMJAI
FÓRUM
WORKSHOPOK
KIADVÁNYOK
Fórum
Menu
Forum Navigation
Fórum
Forum breadcrumbs - You are here:
Fórum
Társadalmi Innovációk Fórum: Az apukák és a gyermekek közti érzelmi kapcsolat
StephenNog
Hozzászólás küldése
Hozzászólás küldése: StephenNog
<blockquote><div class="quotetitle">Idézet tőle: Guest ekkor: 2024-04-22, 16:08</div><a href="https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/" />Rolex watches</a> Understanding COSC Accreditation and Its Importance in Watchmaking COSC Accreditation and its Demanding Criteria COSC, or the Official Swiss Chronometer Testing Agency, is the authorized Switzerland testing agency that certifies the precision and accuracy of wristwatches. COSC certification is a mark of excellent craftsmanship and trustworthiness in chronometry. Not all timepiece brands pursue COSC accreditation, such as Hublot, which instead follows to its proprietary stringent criteria with movements like the UNICO, reaching equivalent precision. The Art of Exact Timekeeping The core mechanism of a mechanical watch involves the mainspring, which supplies power as it unwinds. This mechanism, however, can be susceptible to external elements that may influence its precision. COSC-accredited movements undergo demanding testing—over 15 days in various circumstances (five positions, three temperatures)—to ensure their resilience and dependability. The tests evaluate: Average daily rate precision between -4 and +6 secs. Mean variation, peak variation levels, and effects of temperature changes. Why COSC Accreditation Is Important For watch enthusiasts and connoisseurs, a COSC-accredited timepiece isn't just a item of technology but a testament to enduring quality and accuracy. It represents a watch that: Presents exceptional dependability and precision. Ensures guarantee of quality across the complete design of the watch. Is probable to maintain its value better, making it a sound investment. Famous Chronometer Brands Several well-known manufacturers prioritize COSC certification for their timepieces, including Rolex, Omega, Breitling, and Longines, among others. Longines, for instance, presents collections like the Record and Soul, which feature COSC-validated mechanisms equipped with cutting-edge substances like silicone balance springs to improve resilience and performance. Historical Context and the Development of Chronometers The concept of the timepiece originates back to the requirement for precise timekeeping for navigation at sea, highlighted by John Harrison's work in the 18th century. Since the official foundation of COSC in 1973, the certification has become a benchmark for assessing the precision of high-end watches, sustaining a legacy of superiority in watchmaking. Conclusion Owning a COSC-certified timepiece is more than an visual choice; it's a dedication to excellence and precision. For those appreciating accuracy above all, the COSC certification offers peace of thoughts, guaranteeing that each accredited timepiece will operate dependably under various conditions. Whether for individual contentment or as an investment, COSC-validated watches stand out in the world of watchmaking, maintaining on a tradition of careful chronometry.</blockquote><br>
Cancel
Hozzászólások lezárva.
Search for:
Search
Hivatkozás beillesztés/szerkesztés
Bezárás
A cél URL megadása,
URL
Hivatkozás szövege
Hivatkozás megnyitása új ablakban
vagy hivatkozás létező tartalomhoz
Keresés
Nem adtunk meg kifejezést. A legutóbbi elemek jelennek meg.
Keresés, vagy használjuk a fel- és le nyilakat egy tétel kiválasztásához.
Kilépés