Fiftysix complete calendar
4000E/000A-B439 40 mm Steel

Heir to a model from 1956, this steel watch features a precision moon phase that is accurate over 122 years. This poetic complication is finished with day, date, and month displays. Embellished with blue, the date hand and the moon phase disc contrast elegantly with the silver-toned dial. Its openworked caseback reveals an elevated oscillating weight in 22K gold, inspired by the Maltese cross.
Case
- Material
- Stainless steel
- Size
- 40 mm
- Thickness (mm)
- 11,6
- Water-Resistance (Bar)
- 3
- Case back
- Transparent caseback, sapphire glass
Bracelet
- Number of bracelets
- 1
- Material of the bracelets
- Alligator (Dark grey)
- Size
- 20/18
Buckle
- Type
- Double Folding Buckle
- Material
- Stainless steel
Dial
- Material
- Laiton Générique CuZn
Watch
- Weight
- 77 grams
- Origin
- Swiss made
- Reference
- 2460 QCL/1
- Energy
- Self-winding
- Size
- 25,6 (11 ¼''')
- Thickness (mm)
- 5,4
- Number of parts
- 308
- Number of jewels
- 27
- Power reserve (hours)
- 40
- Frequency
- 28800 V.P.H. (4 Hz)
- Indications
- Small seconds sub-dial, month in aperture, Hours, Minutes, day of the week in aperture, hand-type date, stop seconds device, precision moon phase
- Certifications
- Hallmark Of Geneva
Indexes and hands are coated with Super-LumiNova, a luminescent material that stores light during the day and glows when in darkness.


Precision Moon Phase
From an astronomical point of view, the lunar cycle lasts 29 days, 12 hours, 44 minutes and 2.8 seconds. The precision moon phase reproduces the real cycle of the earth's satellite, with a cycle of 29 days, 12 hours and 45 minutes. This makes for a difference of one day in every 122 years. In comparison, simple moon phases require adjustment every 3 years.


The stop-seconds function is very useful when setting the time: when the owner uses the crown, the second hand stops. This reset function guarantees that the time will be set precisely, with the watch set to the nearest second.

PERSONALISE YOUR WATCH WITH A STRAP
Whether it’s the color of the leather, the color of the stitching or the color of the side edges, the possibilities are almost endless to make your watch strap entirely unique. You can also add a design or text to the lining of your watch to make it even more special. The strap bar: a tailored appointment for you to discover in the Vacheron Constantin Boutiques.


INTERPRETING MODERN ELEGANCE
A name and a date evoking an iconic model by Vacheron Constantin dating from 1956. This modern, elegant and relaxed collection with its resolutely cosmopolitan style expresses its personality through the contrast between the classic dial and the daring case. The latter is notably inspired by the Maltese cross-shaped emblem of the Maison that is also picked up on the openworked pink gold oscillating weight.
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