Vacheron Constantin (Geneva, Switzerland)

Grande Complication Plus "Ref.57260" (calibre 3750)

2826 parts. Unique piece. Developped 2007-2015

57 complications:

6 time measurement functions:
   1.Hours, minutes, seconds, average solar time (regulator)
   2.Three-shaft tourbillon
   3.Tourbillon regulator with spherical balance spring
   4.12-hour time zone, second hours and minutes time zone
   5.24-city display for each time zone
   6.Day/night indication for 12-hour time zone

7 perpetual calendar functions:
7.Gregorian perpetual calendar
   8.Gregorian day name
   9.Gregorian month name
   10.Gregorian retrograde date
   11.Leap year and four-year cycle display
   12.Number of the day of the week (ISO 8601 calendar)
   13.Week to view (ISO 8601 calendar)

8 Hebrew calendar functions:
14.Hebrew perpetual calendar and 19-year cycle
   15.Hebrew day number
   16.Hebrew month name
   17.Hebrew date
   18.Hebrew secular calendar
   19.Hebrew century, decade and year
   20.Age of Hebrew year (12 or 13 months)
   21.Golden number (19 years)

9 astronomical calendar functions:
22.Seasons, equinoxes, solstices and signs of the Zodiac indicated by the hand on the sun
   23.Star chart (for the owner's city)
   24.Sidereal time hours
   25.Sidereal time minutes
   26.Equation of time
   27.Sunrise times (for the owner's city)
   28.Sunset times (for the owner's city)
   29.Length of day (for the owner's city)
   30.Length of night (for the owner's city)

1 lunar calendar functions:
31.Moon phases and age (one correction every 1,027 years)

1 religous calendar functions:
32.Date of Yom Kippur

4 3 column wheel chronograph functions:
33.Retrograde seconds chronograph (one column wheel)
   34.Retrograde split-seconds chronograph (one column wheel)
   35.Hours counter (one column wheel)
   36.Minutes counter

7 alarm functions:
37.Alarm with its own gong and gradual striking
   38.Alarm strike / silence indicator
   39.Choice of normal alarm or carillon striking alarm indicator
   40.Alarm mechanism coupled to the carillon striking mechanism
   41.Alarm striking with choice of Grande or Petite Sonnerie
   42.Alarm power-reserve indication
   43.System to disengage the striking mechanism when alarm barrel fully unwound

8 Westminster carillon striking functions:
44.Westminster carillon chiming with 5 gongs and 5 hammers
   45.Grande Sonnerie passing strike
   46.Petite Sonnerie passing strike
   47.Minute repeating
   48.Night silence feature (10 p.m. to 8 a.m.)
   49.System to disengage the striking barrel when fully wound
   50.Indication for Grande or Petite Sonnerie modes
   51.Indication for silence / striking / night modes

6 other functions:
52.Movement power reserve indicator
   53.Power-reserve indication for the striking train
   54.Winding crown position indicator
   55.Dual barrel winding system
   56.Time setting in two positions and two directions
   57.Secret mechanism (opening of the button for alarm arbor)

Vacheron Constantin calibre 3750 - courtesy of Vacheron Constantin

The "Ref.57260" Supercomplication - courtesy of Vacheron Constantin

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