Swiss Hamilton Watch
Anyone who has been reading the entries in this blog may have noticed we mentioned many times COSC stands, which relate to the control Officiel Suisse Des Chronomètre (Swiss Official Chronometer Control). This nonprofit association was created by five Swiss cantons (Bern, Geneva, Neuchâtel, Solothurn and Vaud) with federations of the Swiss watch industry. In its three official laboratories (Bienne, Geneva and Le Locle), this agency is responsible for submitting to testing of precision movements with working swiss hamilton watch manufacturers, but unfortunately these tests are secret and are developed by their own engineers, what can not be counted more than his role. Every move is monitored for 15 days in five positions and three temperatures (8, 23 and 38 degrees Celsius). To receive the COSC certified movement must meet seven criteria related to things like daytime running average, running the difference between horizontal and vertical positions, or the accuracy against temperature variations. At a minimum, requires the diversion of travel should be less than 4 / +6 seconds per day (for a movement of a diameter greater than 20 mm). Each timer is identified by a number engraved on the movement and a COSC certificate number. Guided by ISO 3159, also controls the COSC quartz timers. Each movement is subjected to a battery of tests lasting 11 days in one position and three temperatures. It is also submitted for a day rotations in three dimensions and must undergo 200 collisions a value of 100 G (one hundred times the Earth's gravity). The term chronometer is often misapplied schedule instruments provided an additional mechanism for accelerated push and to measure the duration of an event. This instrument is a chronograph or Chronoscope (based terminology COSC), which obviously can pass the standard criteria to carry the name of timer but not enough. Manufacturers are not required to disclose whether their movement has passed the COSC tests, but if they do, they can enjoy this certification throughout the life of the movement, provided that you make changes, in which case you should re-submit consideration by the COSC. As you can understand, a swiss hamilton watch that has this certificate offers added value compared to that do not, something also noted in its price. [. . ] At a time. Although this clock (like the rest of the Patek Philippe) is accompanied by the COSC certificate, the watchmakers of Geneva home follow stricter rules than the COSC in [. . ]. own [. . ] The heart of this swiss hamilton watch are the Omega caliber 3313 with Co-Axial escape and COSC certification. As you know, the Co-Axial escape significantly reduces the friction of the components, [. . ]. [. . ] Do know: the automatic loading mechanism mounted gauge Tourbillon 2633 COSC certified and guarantees a power reserve of 45 hours. As you can see in the picture, this is a [. . ]. [. . ] That reduces friction and provides a high accuracy. All are certified by the COSC. It is best that you see a photo of each one of them and outline their characteristics [. . ]. [. . ] Split seconds chronograph with COSC certification and allows you to time the five minute countdown before a race. The design differs [. . ]. [. . ] Is a special version of 18-carat pink gold) of 44 mm in diameter, is COSC certified and has an impressive field in black anthracite guilloche decorated. [. . ]. Function BACK TO AS . . . . HUGO's comments ROSE FROM THE BEGINNING . . . ETA IS A SINGLE MANUFACTURING THAT IS DEDICATED TO THE SALE OF MOVEMENT OR SIZES THAT IS THE SAME, THE MOTION IS FOR SALE AT DIFFERENT BRANDS OF WATCHES, BUT THEY HAVE MARKS ON MOVEMENTS ETA MOST OF THEIR MODELS ARE OMEGA, RADO, LONGINES, BLANC PAIN, HAMILTON, SOME MODELS OF MARKS AS PORSCHE, Tudor, Cartier, TAG . . . E. ALMOST EVERYTHING COVERED AT THE MARKET AND BELONGS TO THE SWATCH GROUP AND THE OWNER IS THE LORD Nocola G. HAYEK AND HIS RIVAL IN THE NEWS IS THE MANUFACTURING SOPRODEN. . . .
