Vacheron Constantin Tour de l'Ile - MOST COMPLICATED WRISTWATCH

Vacheron Constantin Tour de l'Ile - THE WORLD’S MOST COMPLICATED WRISTWATCH
This astounding masterpiece will only be produced in 7 pieces.

MOVEMENT
Calibre 2750 – 834 parts – Over 10,000 hours of R&D
Indications & functions : hours and minutes
seconds at 6 o’clock
repetition of the quarters and minutes on request
“Tourbillon” device
power reserve
second time zone
phases of the moon
age of the moon
torque of the striking mechanism
perpetual calendar
- day
- date
- month
- leap years
perpetual equation of time
sunrise
sunset
sky chart
Other technical characteristics:
Energy: mechanical, hand-winding
Regulating organs: Breguet overcoil balance-spring, balance with screws
Frequency : 2,5Hz (18,000 vph)
Power reserve: 58 hours
Jewelling: 38 jewels
Other characteristics:
Winding stem: 2 positions
Adjustment of the second time zone and moon phase: using 2 pushpieces housed in the case
Adjustment of the perpetual calendar: using 3 pushpieces housed in the case
Adjustment of the sidereal disc: using the crown and a lockable pushbutton
Main dimensions:
Caging diameter: 35.40mm
Total diameter: 36.0mm
Total thickness: 11.25mm
CASE
Material: 18-carat 750 pink gold
Diameter and thickness: 47mm, 17.8mm
Inter-horn width: 23mm at the strap attachment
Shape and construction : round, 3 parts. Bezel fitted with 2 catches used to activate the striking mechanism by rotating to the right. Sky chart correction system by rotating the crown
Case-back: secured by a snap-in system
Crystals: sapphire, glareproofed on the inner face, mounted on a joint
Finishing: polished case, fine knurling on the bezel and case-back
soldered lugs
Water resistance: dust-resistant.
DIALS
Dial material: 18-carat gold
Description of front dial: light silvered finishing, hand-guilloché “250th anniversary” motif
Description of back dial: light silvered finishing, unique individual hand-guilloché motif, 3 appliques in rhodium-plated 18-carat gold
HANDS
Hours and minutes: in 18-carat pink gold, fan-shaped, inspired by a 1926 vintage model
Seconds: in 18-carat pink gold, baton-shaped, on tourbillon carriage
Subdials: in blued steel, dagger-shaped.
STRAP & BUCKLE
Strap : hand-sewn alligator leather with a silky satin finish
Buckle: pin buckle, 18-carat pink gold (5N)

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