{"id":10740,"date":"2024-07-08T19:01:24","date_gmt":"2024-07-08T13:31:24","guid":{"rendered":"https:\/\/www.kapoorwatch.com\/blogs\/?p=10740"},"modified":"2024-07-12T17:47:11","modified_gmt":"2024-07-12T12:17:11","slug":"dissecting-the-worlds-most-complicated-watch-vacheron-constantins-berkley-grand-complication","status":"publish","type":"post","link":"https:\/\/www.kapoorwatch.com\/blogs\/dissecting-the-worlds-most-complicated-watch-vacheron-constantins-berkley-grand-complication\/","title":{"rendered":"Dissecting The World\u2019s Most Complicated Watch: Vacheron Constantin\u2019s Berkley Grand Complication"},"content":{"rendered":"Reading Time: <\/span> 6<\/span> minutes<\/span><\/span>\n

About a month ago, at Watches & Wonders 2024<\/a>, Vacheron Constantin had the entire watch world in shock and awe as they unveiled the world\u2019s most complicated mechanical watch with a staggering record 63 complications, including a world-first Chinese Perpetual Calendar, Gregorian Perpetual Calendar, and nine total departments of complications. This herculean horological marvel demanded 11 years of research and another year exclusively for assembly.<\/p>\n\n\n\n

For nearly a decade, Vacheron Constantin represented the last word in constructing mega-complication movements with 2015\u2019s Ref. 57260 \u2013 a made-to-order pocket watch celebrating the maison\u2019s 260th anniversary, housing no fewer than 57 complications. Vacheron believed their Ref. 57260 to be a window into the future of hyper-horlogerie, indicating matters of astronomy, calendars, striking time, and chronometry. Tallying 2,600 components, measuring two inches in diameter and weighing two pounds heavy, this titan of timekeeping demanded a total of eight years of R&D \u2013 which makes us wonder \u2013 why anyone would wait nearly a decade for a watch to be built. The answer, hedonistically underlined, is something only those who could afford to commission such a project would understand and relate to \u2013 \u2018the pursuit of greatness\u2019.<\/p>\n\n\n\n

The challenge links back to the 1920s and 1930s when automotive mogul James Ward Packard and banker Henry Graves commissioned Vacheron Constantin and Patek Philippe, respectively, to create history\u2019s most intriguing watches. Even though those timepieces took years to build, they\u2019re revered as record-breaking works of art, and the names of both commissioners are eternally engraved in their legacy.<\/p>\n\n\n\n

What\u2019s Behind the Name?<\/strong><\/h3>\n\n\n\n

The title \u2013 \u201cBerkley Grand Complication\u201d, references the commissioner of the timepiece, W. R. Berkley \u2013 the billionaire owner of the W. R. Berkley insurance holding corporation and Chairman of the Board of Trustees of New York University. It was also revealed that Berkley commissioned the previous record-holding timepiece, the Vacheron Ref. 57260, as well \u2013 making him the owner of the world\u2019s first and second-most complicated watches. Vacheron also confirms that their grail super-complication from 1935 to 2005, the \u201cKing Farouk\u201d pocket watch \u2013 crafted on request of an Egyptian monarch, is also owned by Berkley.<\/p>\n\n\n\n

The Berkley Grand Complication: A Tale of Triumph, Ambition, and Remarkable Human Endeavor<\/strong><\/h3>\n\n\n\n

<\/p>\n\n\n\n

\"The<\/figure>\n\n\n\n

<\/p>\n\n\n\n

Before delving into the Berkley Grand Complication\u2019s hefty roster of complications, let\u2019s talk about the hands that pieced this utterly intricate monster of horlogerie together. The team of three Vacheron Les Cabinotiers master watchmakers spent 11 years merely in research and development for this bespoke timepiece, and another year exclusively dedicated to assembling it. If we do the math, Vacheron Constantin began working on this marvel even before they completed the 57260!<\/p>\n\n\n\n

Measuring 98 millimetres in diameter, 50.5 millimetres thick, cased in 18-carat white gold, and bearing 2,877 components, the Berkley Grand Complication is simply a juiced-up evolution of the 57260 retaining its dimensions. What\u2019s new is bumping up the complication count from 57 to 63 and swapping out the Hebraic perpetual calendar for a world-first Chinese perpetual calendar (set until 2200).<\/p>\n\n\n\n

Understanding The Chinese Perpetual Calendar\u2019s Complexities<\/strong><\/h3>\n\n\n\n

<\/p>\n\n\n\n

\"Understanding<\/figure>\n\n\n\n

Christian Selmoni, Vacheron Constantin\u2019s Style & Heritage Director highlights the Shengxiao calendar\u2019s complexity, \u201cUsing three mechanisms, or which our watchmakers call \u2018brains\u2019, we\u2019ve managed to control the calendar\u2019s 19-year Metonic cycle (a period of 235 lunations), New Year dares, sexagesimal cycle consisting of 60 combinations including 10 celestial stems and 12 earthly branches, and its solar agricultural cycle. A veritable feat of micro-engineering extravagance\u201d.<\/p>\n\n\n\n

Since ancient times and observed in cultures worldwide, timekeeping has always looked to the stars and celestials. This Shengxiao calendar haunts even the mightiest of Swiss horologists due to its irregularities, and transcribing these ancient algorithms into geared mechanisms was a behemoth challenge. Much like the Hebriac and other Asian calendars, the Chinese calendar follows the Metonic cycle but realises its discrepancies in the length of the lunar and solar cycles, which synchronise once every 19 years. More so, while the Chinese calendar spans 29 or 30 days a month, the average lunar cycle is 29.53 days, resulting in an 11-day shorter year compared to a solar year. To tackle this, the three Les Cabinotiers watchmakers devised a Chinese calendar mechanism which employs a 13th intercalary\/embolismic month every second or third year, tallying seven over the 19-year Metonic cycle.<\/p>\n\n\n\n

That\u2019s Not All\u2026<\/strong><\/h3>\n\n\n\n

While this sounds exhausting already, their next obstacles were the Chinese solar year and the Zodiac. The latter consists of 10 celestial stems and 12 earthly branches \u2013 resulting in a total of 60 combinations.
The celestial stems include Jia, Yi, Bing, Ding, Wu, Ji, Geng, Xin, Ren and Gui. They are ruled by five elements: wood, fire, earth, metal, and water, further polarised by feminine or masculine (yin and yang).
On the other hand, the branches refer to the 12 Shengxiao animals: rat, ox, tiger, rabbit, dragon, snake, horse, goat, monkey, rooster, dog, and pig.<\/p>\n\n\n\n

Vacheron employed a jumping display of the 10 celestial steps at nine o\u2019clock, while at three o\u2019clock, it indicated the 12 earthy branches. Resting under the hour and moonphase display (accurate to 1,027 years) at 12 o\u2019clock, we have an aperture which indicates the Zodiac animal, referred against the celestial stem in the 60-year-cycle. Flip this horlogerie heavyweight over, and you\u2019ll be greeted by a Chinese agricultural calendar\u2019s 24 solar periods, including months, seasons, solstices, and equinoxes.<\/p>\n\n\n\n

Precious, Intricate Yet Precise<\/strong><\/h3>\n\n\n\n

Amidst its gargantuan complexity, Christian Selmoni reasserts the timepiece\u2019s undying accuracy, \u201cWhile we don\u2019t claim the Berkley Grand Complication to be a chronometer as it hasn\u2019t been tested by the Official Swiss Chronometer Testing Institute (COSC), in-house testing has indicated that this Les Cabinotiers marvel exceeds COSC requirements, with a daily tolerance margin of -4 to +6 seconds. Furthermore, it bares the Hallmark of Geneva, guaranteeing provenance, precision craftsmanship, and reliability.\u201d<\/p>\n\n\n\n

Almost Overlooked<\/strong><\/h3>\n\n\n\n

Selmoni adds, \u201cElegance shouldn\u2019t go unnoticed in the thick of mechanical poetry. Vacheron Constantin embraces hand-finishing treatments as one of our signatory feats of High Watchmaking, with techniques adapted to all surfaces, including bevelling, rounding off, circular graining, straight graining, etc. In regular operations, we apply these treatments to 150 components \u2013 imagine the scale of work here with 2,877 components. Being a double-sided non-open-worked timepiece, it is only until you open the watch that you witness the intricacies.\u201d<\/p>\n\n\n\n

Delving deeper into the dossier tallying up to the record-breaking 63 complications, here\u2019s a full list compartmentalised by function and type:<\/strong><\/h3>\n\n\n\n

Time measurement (9)<\/strong><\/h3>\n\n\n\n
    \n
  1. Regulator-type hours, minutes and seconds for mean solar time<\/li>\n\n\n\n
  2. Retrograde second for mean solar time<\/li>\n\n\n\n
  3. Day and night indication for reference city<\/li>\n\n\n\n
  4. Visible spherical armillary tourbillon regulator with spherical balance spring<\/li>\n\n\n\n
  5. Armillary sphere tourbillon<\/li>\n\n\n\n
  6. World time indication for 24 cities<\/li>\n\n\n\n
  7. Second time zone hours and minutes (on 12 hours display)<\/li>\n\n\n\n
  8. Second time zone day and night indication<\/li>\n\n\n\n
  9. System to display the second time zone for the Northern or Southern hemispheres<\/li>\n<\/ol>\n\n\n\n

    Gregorian Perpetual Calendar (7)<\/strong><\/h3>\n\n\n\n
      \n
    1. Gregorian perpetual calendar<\/li>\n\n\n\n
    2. Gregorian days of the week<\/li>\n\n\n\n
    3. Gregorian months<\/li>\n\n\n\n
    4. Gregorian retrograde date<\/li>\n\n\n\n
    5. Leap-year indication and four-year cycle<\/li>\n\n\n\n
    6. Number of the day of the week (ISO 8601 calendar)<\/li>\n\n\n\n
    7. Indication for the number of the week within the year (ISO 8601 calendar)<\/li>\n<\/ol>\n\n\n\n

      Chinese Perpetual Calendar (11)<\/strong><\/h3>\n\n\n\n
        \n
      1. Chinese perpetual calendar<\/li>\n\n\n\n
      2. Chinese number of the day<\/li>\n\n\n\n
      3. Chinese name of the month<\/li>\n\n\n\n
      4. Chinese date indication<\/li>\n\n\n\n
      5. Chinese zodiac signs<\/li>\n\n\n\n
      6. 5 elements and 10 celestial stems<\/li>\n\n\n\n
      7. 6 energies and 12 earthly branches<\/li>\n\n\n\n
      8. Chinese year state (common or embolismic)<\/li>\n\n\n\n
      9. Month state (small or large)<\/li>\n\n\n\n
      10. Indication for the Golden number within the 19-year Metonic cycle<\/li>\n\n\n\n
      11. Indication for the date of the Chinese New Year in the Gregorian calendar<\/li>\n<\/ol>\n\n\n\n

        Chinese Agricultural Perpetual Calendar (2)<\/strong><\/h3>\n\n\n\n
          \n
        1. Chinese agricultural perpetual calendar<\/li>\n\n\n\n
        2. Indications of seasons, equinoxes and solstices with solar hand<\/li>\n<\/ol>\n\n\n\n

          Astronomical Indications (9)<\/strong><\/h3>\n\n\n\n
            \n
          1. Sky chart (calibrated for Shanghai)<\/li>\n\n\n\n
          2. Sidereal hours<\/li>\n\n\n\n
          3. Sidereal minutes<\/li>\n\n\n\n
          4. Sunrise time (calibrated for Shanghai)<\/li>\n\n\n\n
          5. Sunset time (calibrated for Shanghai)<\/li>\n\n\n\n
          6. Equation of time<\/li>\n\n\n\n
          7. Length of the day (calibrated for Shanghai)<\/li>\n\n\n\n
          8. Length of the night (calibrated for Shanghai)<\/li>\n\n\n\n
          9. Phases and age of the moon, one correction every 1027 years<\/li>\n<\/ol>\n\n\n\n

            Split-seconds Chronograph (4)<\/strong><\/h3>\n\n\n\n
              \n
            1. Fifths of a second chronograph (1-column wheel)<\/li>\n\n\n\n
            2. Fifths of a second split-second chronograph (1 column wheel)<\/li>\n\n\n\n
            3. 12-hour counter (1 column wheel)<\/li>\n\n\n\n
            4. 60-minute counter<\/li>\n<\/ol>\n\n\n\n

              Alarm (7)<\/strong><\/h3>\n\n\n\n
                \n
              1. Progressive alarm with single gong and hammer striking<\/li>\n\n\n\n
              2. Alarm strike\/silence indicator<\/li>\n\n\n\n
              3. Choice of normal alarm or carillon striking alarm indicator<\/li>\n\n\n\n
              4. Alarm mechanism coupled to the carillon striking mechanism<\/li>\n\n\n\n
              5. Alarm striking with choice of grande or petite sonnerie<\/li>\n\n\n\n
              6. Alarm power-reserve indication<\/li>\n\n\n\n
              7. System to disengage the alarm barrel when fully wound<\/li>\n<\/ol>\n\n\n\n

                Westminster Carillon (8)<\/strong><\/h3>\n\n\n\n
                  \n
                1. Carillon Westminster chiming with 5 gongs and 5 hammers<\/li>\n\n\n\n
                2. Grande sonnerie passing strike<\/li>\n\n\n\n
                3. Petite sonnerie passing strike<\/li>\n\n\n\n
                4. Minute repeating<\/li>\n\n\n\n
                5. Night silence feature (between 22.00 and 08.00 hours \u2013 hours chosen by the owner)<\/li>\n\n\n\n
                6. System to disengage the striking barrel when fully wound<\/li>\n\n\n\n
                7. Indication for grande or petite sonnerie modes<\/li>\n\n\n\n
                8. Indication for silence \/ striking \/ night modes<\/li>\n<\/ol>\n\n\n\n

                  Additional features (6)<\/strong><\/h3>\n\n\n\n
                    \n
                  1. Power-reserve indication for the going train<\/li>\n\n\n\n
                  2. Power-reserve indication for the striking train<\/li>\n\n\n\n
                  3. Winding crown position indicator<\/li>\n\n\n\n
                  4. Winding system for the double barrels<\/li>\n\n\n\n
                  5. Hand-setting system with two positions and two directions<\/li>\n\n\n\n
                  6. Concealed flush-fit winding crown for the alarm mechanism<\/li>\n<\/ol>\n\n\n\n

                    <\/p>\n","protected":false},"excerpt":{"rendered":"

                    Reading Time: <\/span> 6<\/span> minutes<\/span><\/span>About a month ago, at Watches & Wonders 2024, Vacheron Constantin had the entire watch world in shock and awe as they unveiled the world\u2019s most complicated mechanical watch with a staggering record 63 complications, including a world-first Chinese Perpetual Calendar, Gregorian Perpetual Calendar, and […]<\/p>\n","protected":false},"author":10,"featured_media":10910,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"two_page_speed":[],"footnotes":""},"categories":[1,86],"tags":[909,908,907,906],"class_list":["post-10740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-universal","category-vacheron-constantin","tag-most-complicated-watch","tag-most-complicated-watch-vacheron-constantins-berkley-grand-complication","tag-worlds-most-complicated-watch-2024","tag-worlds-most-complicated-watch-vacheron-constantins-berkley-grand-complication"],"acf":[],"yoast_head":"\r\nVacheron Constantin\u2019s World's Most Complicated Watch<\/title>\r\n<meta name=\"description\" content=\"Berkley Grand Complication by Vacheron Constantin, featuring a record-breaking 63 complications including a world-first Chinese Perpetual Calendar.\" \/>\r\n<meta name=\"robots\" content=\"index, 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