Swiss Observatory Certification, Geneva Seal Certification, Fleuriel certification… do you have a hard time reading the names of so many watch certifications? On the market endless clock”attestation”let consumer be inundated with, which attestation organization and attestation test just are real authority contain gold content? Today Vacheron Constantin Replica Watches will take you through all the certifications available on the market in this article.
Accreditation of the Swiss Observatory
Swiss observatory certification, also known as the Swiss official Observatory of Switzerland (Contr office Iel des Chronom Tres) , or COSC (hereinafter referred to as COSC) . This is the clock certification in a relatively long history, awareness is also a relatively wide range of certification bodies. A non-profit accrediting organization, COSC was founded in Switzerland in 1973. Now, COSC tests more than eighteen million mechanical watches and quartz watches each year, which is a staggering number among all watch certifiers.
Switzerland’s official Observatory Monitoring Agency, Contr Le Officel Suisse des Chronom tres, is known as COSC
The COSC strictly enforces seven standards based on ISO 3159, all of which must be fully met. According to the standard, certified samples must be tested at 5 locations and at 3 temperatures for 16 consecutive days. According to the test data, seven indicators including the average daily deviation are calculated. Only if they all meet the established standards can the tested samples be certified We’re familiar with-4 ~ + 6 sec / day, which is actually just the average of the seven measures.
Each movement for
Vacheron Constantin Replica Watches Sale sent to COSC is fitted with a COSC standard face plate, a second hand (big second hand or small second hand) , and a chain crown. An electronic camera records the position of the second hand every 24 hours (accurate to 1 / 10 of a second) and compares it with a reference atomic clock that is accurate to milliseconds. The camera takes two pictures to check that the movement of the movement has stopped The movement is then rewound to the proper position and set at the right temperature for the next 24-hour cycle. This process will run for 16 consecutive cycles. Each Cheap Vacheron Constantin Replica Watches should be checked for 14 to 20 days depending on the condition of the test instrument.