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Νέα από τον κόσμο της Ωρολογοποιίας => Επικαιρότητα προηγουμενων ετων => Επικαιρότητα => 2012 => Μήνυμα ξεκίνησε από: george_ στις Ιανουάριος 18, 2012, 00:39:18 πμ
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Duomètre à Sphérotourbillon -Technical specifications
Movement
• Mechanical manually-wound Jaeger-LeCoultre Calibre 382, crafted, assembled and decorated by hand, nickel silver bridges and mainplate
• 2 barrels
• 50-hour power reserve
• 460 parts
• 55 jewels
• 10.45 mm thick
• 33.70 mm in diameter
Sphérotourbillon
• 105 parts
• Tourbillon carriage: grade 5 titanium
• Total rotation speed: 30 seconds for a complete revolution
• 2 combined movements. Carriage axis rotation speed: 15 seconds for a complete revolution. Carriage rotation speed: 30 seconds for a complete revolution
• Carriage inclination: 20°
• Carriage diameter: 11.50 mm
• Carriage mass: 0.518 grams
• 14-carat gold balance with eccentric inertia blocks in 14-carat gold, inertia = 12.5 mg.cm2 , 21,600 vibrations per hour
• Cylindrical balance-spring
Functions
• Hours (travel time), minutes and small seconds with flyback function
• Power reserves (indications and movement)
• Pointer-type date display
• 24-hour reference time-zone
• Sphérotourbillon
Case
• 18-carat pink gold
• Diameter: 42 mm
• Thickness: 14.1 mm (including the sapphire crystal)
• Polished and satin-brushed finish
• Domed glareproofed front and back sapphire crystals, hardness n°9
• Water resistance : 5 bars
Dial
• Crystalline grained
• pink gold appliques
Hands
• Hours and minutes: “leaf” type
• Small seconds: baton type with pear-shaped counterweight, blued steel
Crowns
• One crown to wind the watch, set the time (travel time-zone), adjust the date and adjust the travel time-zone
• One push-piece at 2 o’clock to activate the small seconds flyback mechanism
Strap
• Hand-sewn crocodile leather, 18-carat pink gold pin buckle
Reference:
• 605 25 20
Dual-Wing concept : the pioneering movement
With its Duomètre line and its Dual-Wing concept, Jaeger-LeCoultre once again plays a pioneering role in the field of Fine Watchmaking by creating a movement with an entirely innovative structure giving rise to unprecedented functions.
With the Dual-Wing concept, the watchmakers of the Manufacture Jaeger-LeCoultre have developed a solution that at last provides a response to a recurrent problem on complex mechanical watches: any complication naturally uses up some of the energy provide by the barrel. This energy consumption perturbs the constant supply required by the meticulously adjusted regulating organ in order to fulfil its mission with absolute accuracy.
One time, two movements
This concept, christened Dual-Wing and serving to separate the provision of energy to the complication from that of the movement which is fed by its own barrel in order to guarantee the constancy of its energy supply, spelled a revolution in the field of Fine Watchmaking.
First unveiled in 2007, it enabled Jaeger-LeCoultre to reinvent the chronograph by endowing the Duomètre à Chronographe with chronometer-worthy precision, while displaying the time thus counted off to the nearest 1/6th of a second.
It was then given a new application in 2010 on the Duomètre à Quantième Lunaire, guaranteeing this model exceptional accuracy and making it the first watch enabling 1/6th of a second time adjustment without interrupting the operation of its regulating organ.
DUAL-WING IN A NUTSHELL:
A revolutionary watch concept based on a unique construction: two distinct mechanisms united within a same case and providing scope for unprecedented functions.
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