Vacheron Constantin, Watch Reviews

Vacheron Constantin – Reference 57260 is the most complicated watch ever made

This is the one-of-a-kind pocket watch with phenomenal number of complications, which is as far back 57. It is hard to believe that so many functions can work in the one watch.

Reference 57260 has been created as a tribute for the 260 years of excellent Vacheron Constantin’s history. It took 8 years to fully design and assemble this unique masterpiece. This pocket-watch is equipped with the complications developed throughout many years of watchmaking expertise, but we can also find here some completely new functions making this timepiece not just the tribute to the past. It combines the tradition and modernity together in the beautiful way.


Such complicated movement with its functions just had to be surrounded by the superb and neat design. Here we have the massive 18K white gold case, which is polished with glazed bezels on each side of timepiece. A diameter of this watch is 98mm. It keeps the perfect proportions and balance, which are really important, when we are talking about such complicated watch. Each dial is made of silver, which provides really good legibility of functions.

The movement, which brings to life all these 57 complications is the mechanical Calibre 3750 with manual-winding. It has been certified with the Hallmark of Geneva. This big heart consists of more than 2,800 components and 242 jewels in total. The power reserve is about 60 hours, when fully wound.


All 57 complications are divided by function.

Time measurement functions :

– Hours, minutes, seconds, average solar time (regulator)
– Three-shaft tourbillon
– Tourbillon regulator with spherical balance spring
– 12-hour time zone, second hours and minutes time zone
– 24-city display for each time zone
– Day/night indication for 12-hour time zone

Perpetual calendar functions :

Gregorian perpetual calendar

– Gregorian day name
– Gregorian month name
– Gregorian retrograde name
– Leap year and four-year cycle display
– Number of the day of the week
– Week to view


Hebrew calendar functions :

– Hebrew perpetual calendar and 19-year cycle

– Hebrew day number
– Hebrew month name
– Hebrew date
– Hebrew secular calendar
– Hebrew century, decade and year
– Age of Hebrew year (12 or 13 months)
– Golden number (19 years)

Astronomical calendar functions :

– Seasons, equinoxes, solstices and signs of the Zodiac indicated by the hand on the sun
– Star chart (for the owner’s city)
– Sidereal time hours
– Sidereal time minutes
– Equation of time
– Sunrise times (for the owner’s city)
– Sunset times (for the owner’s city)
– Length of day (for the owner’s city)
– Length of night (for the owner’s city)


Lunar calendar function :

–  Moon phases and age (one correction every 1,027 years)

Religious calendar function :

– Date of Yom Kippur

Column wheel chronograph functions :

– Retrograde seconds chronograph (one column wheel)
– Retrograde split-seconds chronograph (one column wheel)
– Hours counter (one column wheel)
– Minutes counter

 Alarm functions :

– Alarm with its own gong and gradual striking
– Alarm strike / silence indicator
– Choice of normal alarm or carillon striking alarm indicator
– Alarm mechanism coupled to the carillon striking mechanism
– Alarm striking with choice of Grande or Petite Sonnerie
– Alarm power-reserve indication
– System to disengage the striking mechanism when alarm barrel fully unwound

Westminster carillon striking functions :  

– Westminster carillon chiming with 5 gongs and 5 hammers
– Grande Sonnerie passing strike
– Petite Sonnerie passing strike
– Minute repeating
– Night silence feature (10 p.m. to 8 a.m.)
– System to disengage the striking barrel when fully wound
– Indication for Grande or Petite Sonnerie modes
– Indication for silence / striking / night modes

Other functions :

Movement power reserve indicator
– Power-reserve indication for the striking train
– Winding crown position indicator
– Dual barrel winding system
– Time setting in two positions and two directions
– Secret mechanism (opening of the button for alarm arbor)