Vacheron Constantin Beats Its Document for Most Advanced Watch
Within the accomplished watch, the Chinese language perpetual calendar boasts 11 features and shows the date of the Lunar New Yr for the following 20 years on a disk at 6 o’clock on the entrance dial. To establish the New Yr date to 2200 was an excessive amount of info for only one disk, so the model made eight extra disks, and a home watchmaker should change it each 20 years.
The motion additionally features a Gregorian perpetual calendar, mentioned to be correct to 2100, and a Chinese language agricultural perpetual calendar, primarily based on a photo voltaic calendar that divides the 12 months into 24 photo voltaic intervals. Collectively, the three perpetual calendars comprise 20 of the watch’s 63 issues.
Different issues embody a split-seconds column-wheel chronograph, which presents two distinct stopwatch operations; six alarm features; eight chiming features, together with the Westminster carillon performed by 5 hammers and 5 gongs; 9 astronomical issues; and a world time perform.
The home mentioned the watch additionally retains extraordinarily exact time, because of its three-axis tourbillon, a complication that counteracts the impact of gravity on timekeeping accuracy.
“The precision of the three-axis tourbillon regulator has been examined and retested so we are able to say it has an accuracy of plus or minus two seconds a day, which is unbelievable as a result of it has to drive 2,877 parts,” Mr. Selmoni mentioned.
Regardless of its achievement, Vacheron Constantin has not filed a patent on the Chinese language perpetual calendar, saying it doesn’t need to reveal particulars.
“When making use of for patents, it’s important to provide a really exact description of the innovation, together with technical drawings, in addition to to place the invention into perspective in relation to current options,” Mr. Selmoni mentioned. “In different phrases, you’re certainly defending your invention, but you’re additionally offering the technical particulars.”