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These adjusting operations are mandatory to ensure the watch functions well. <br \/><br \/>In 2009, Cartier presented a breakthrough concept watch to tackle this age-old challenge for watch-makers: the Cartier ID One concept watch, the first adjustment-free and lubrication-free watch. This milestone in watch history was not the end of the line for Cartier\u2019s innovation, quite the contrary; it was the starting point for future industrializations. <br \/><br \/>In 2012, Cartier presents an outstanding adaptation of the functions of the Cartier ID One and the famous Astrotourbillon movement, unveiled for the first time two years previously. <br \/>The brand-new Rotonde de Cartier Astrotourbillon carbon crystal constitutes the first step towards the Cartier ID One industrialization thanks to its tourbillon escapement that requires no adjustments nor lubrication. <br \/>Thanks to breakthrough technologies, the tourbillon bridges, the anchor and the escape-wheel are all made of carbon crystal and match perfectly at the time of assembly, requiring no lubrication at all.\u00a0 <br \/>\u00a0<br \/>Thanks to the Deep Reactive Ion Etching (DRIE) manufacturing process, the carbon crystal components reach ultra-precise tolerances to a thousandth of a millimeter, i.e. one micron, and have extremely smooth surfaces. These qualities are essential for the escape-wheel and the mono-bloc anchor, which dispense their life-essential impulses with maximum efficiency and no need for lubrication. <br \/>This smoothness is essential in the Astrotourbillon carbon crystal, since the lack of lubrication means the teeth of the escape-wheel dispense six precisely timed motive impulses per second to the mono-bloc anchor. These impulses maintain the continual swinging of the oscillator. <br \/><br \/>The escapement of mechanical movements suffers strong constraints. A balance with a frequency of three hertz completes 21,600 semi-oscillations per hour, continuously, 24 hours a day. The total number of impulses in this time span is 518,400, which, when multiplied by the number of days in one year, results in the phenomenal total of 189,216,000.\u00a0 After five years, the total has increased to nearly a billion impulses, each of which entails forceful contact between a tooth of the escape-wheel and a pallet-stone.<br \/><br \/>Thanks to the intrinsic hardness of carbon crystal, which exceeds 10,000 Vickers, bearing jewels become superfluous. Small and very precisely positioned apertures suffice, and these openings can already be cut into the plate and bridges when these parts are designed and manufactured. Extreme hardness is only one aspect in the spectrum of horological innovations. Carbon crystal is not only transparent and non-magnetic, its density is also very light. <br \/><br \/>The escapement-wheel must be momentarily halted and instantly reaccelerated six times per second, so every milligram of weight that can be pared away results in significant energy savings. Made of carbon crystal, the escape-wheel and the anchor are extremely light. <br \/><br \/>The same holds true for the tourbillon\u2019s rotating cage. Carbon crystal is used as the material for the elongated bearing plate and for the three bridges which bear the balance staff, the shaft of the pallet and the shaft of the escape-wheel respectively. <br \/><br \/>Thus, the whole Astrotourbillon cage achieves an impressive lightness of 0.46 gram, including the platinum counterweight! <br \/><br \/>Mechanical watches function because many of their components move in one way or another. A gear turns incessantly in circles, a pallet and a balance continually swing to and fro. Each of these three components has an axle (i.e. a shaft, staff or arbor), which culminates in pivots, and these are borne in bearings. The motion of the pivots necessarily creates friction, which gradually causes unwanted signs of wear. The situation is most critical in the escapement system, i.e. with the pallet and the escape-wheel, where rotation speeds are significantly higher. Watchmakers have traditionally sought to minimize friction through a threefold combination: pivots made from annealed and optimally polished steel, inserted into very hard rubies, which are periodically lubricated with a suitable lubricant. The pivots can be likened to the Achilles\u2019 heel of a mechanical watch. <br \/><br \/>In an unprecedented application, Cartier has manufactured the pivots from ultra-hard tungsten carbide, a variety of ceramic, coated with a smooth layer of diamond. The pivots can move into the carbon crystal bridges with minimal friction and no lubrication.\u00a0 <br \/><br \/>The 47-millimeter Rotonde de Cartier case is crafted from niobium-titanium, a lightweight and non-magnetic alloy that steadfastly resists corrosion, scratches and shocks. 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{"Compl\u00e9ment":"Niobium Titanium - Alligator Strap","Statut de vente":"En vente depuis","Date":"2012","Pi\u00e8ce unique":"No","S\u00e9rie limit\u00e9e":"Oui","Nombre d exemplaire":"50","Sexe":"Homme","Gaucher":"No","Diam\u00e8tre":"47","Types":"Hand-winding","Styles":"High Horology, Atypical","Calibre_autre":"9460 MC","Calibre distinction_autre":"Adjustment-free and lubrication-free escapement, Carbon crystal tourbillon bridges anchor and escape-wheel, Tourbillon with axis at the center of the movement","Affichage":"Luminescent hands","Complication":"Tourbillon","Mati\u00e8re du bo\u00eetier_autre":"Niobium-Titanium","Particularit\u00e9 du boitier":"Anti-magnetic","Particularit\u00e9 du boitier_autre":"Circular-grained crown set with sapphire cabochon","Etanch\u00e9it\u00e9":"30 meters","Forme":"Round","Couleur du cadran":"Black","Index":"Railroad, Roman numerals","Verre":"Sapphire","Mati\u00e8re du bracelet":"Alligator leather","Fermeture du bracelet":"Folding buckle ","Couleur du bracelet":"Black","Plus de caract\u00e9ristiques":"Manual mechanical movement <br \/>9460 MC <br \/>Adjustment-free and lubrication-free escapement <br \/>Tourbillon with axis at the center of the movement <br \/>Carbon crystal tourbillon bridges. anchor and escape-wheel <br \/>Tungsten carbide escapement pivots <br \/>Number of jewels: 17 <br \/>Power reserve: 50 hours <br \/>Diameter: 40.1 mm <br \/>Thickness: 9 mm <br \/>Number of pieces: 195 <br \/>Frequency: <br \/>3Hz i.e.. 21\u2019600 oscillations\/hour <br \/><br \/>Adjustable folding clasp in 18-carat white gold"}
Rotonde de Cartier Astrotourbillon Cristal de Carbone
W1556221
| Brand : | Cartier |
| Collection : | Fine Watchmaking Collection |
| Model : | Rotonde de Cartier Astrotourbillon Cristal de Carbone |
| Reference : | W1556221 |
| Nber of pieces : | 50 |
| Complement : | Niobium Titanium - Alligator Strap |
| On sale : | 2012 |
PDF INDEX CARD
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Brand : Cartier Collection : Fine Watchmaking Collection Model : Rotonde de Cartier Astrotourbillon Cristal de Carbone Reference : W1556221 Nber of pieces : 50 Complement : Niobium Titanium - Alligator Strap On sale : 2012 List Price : 216 000 € Diameter : 47 mm Styles : High Horology Atypical Types : Hand-winding Calibre : 9460 MC Calibre distinction : Adjustment-free and lubrication-free escapement Carbon crystal tourbillon bridges anchor and escape-wheel Tourbillon with axis at the center of the movement Complication : Tourbillon Case material : Niobium-Titanium Case peculiarity : Anti-magnetic Circular-grained crown set with sapphire cabochon Shape : Round Water-resistance : 30 meters Dial color : Black Display : Luminescent hands Indexes : Railroad Roman numerals Glass : Sapphire Strap material : Alligator leather Strap color : Black Strap clasp : Folding buckle + More characteristics : Manual mechanical movement
9460 MC
Adjustment-free and lubrication-free escapement
Tourbillon with axis at the center of the movement
Carbon crystal tourbillon bridges. anchor and escape-wheel
Tungsten carbide escapement pivots
Number of jewels: 17
Power reserve: 50 hours
Diameter: 40.1 mm
Thickness: 9 mm
Number of pieces: 195
Frequency:
3Hz i.e.. 21’600 oscillations/hour
Adjustable folding clasp in 18-carat white gold
DESCRIPTION
ROTONDE DE CARTIER ASTROTOURBILLON CARBON CRYSTAL WATCH
STICKING TO OURS ID
A NEW STEP INTO CARTIER'S INNOVATION
THE INDUSTRIALIZATION OF CARTIER ID ONE CONCEPT WATCH
from the Cartier ID One concept watch to the rotonde de Cartier astrotourbillon carbon crystal watch.
A mechanical watch’s movement traditionally requires several adjustments executed by a master watchmaker. These adjusting operations are mandatory to ensure the watch functions well.
In 2009, Cartier presented a breakthrough concept watch to tackle this age-old challenge for watch-makers: the Cartier ID One concept watch, the first adjustment-free and lubrication-free watch. This milestone in watch history was not the end of the line for Cartier’s innovation, quite the contrary; it was the starting point for future industrializations.
In 2012, Cartier presents an outstanding adaptation of the functions of the Cartier ID One and the famous Astrotourbillon movement, unveiled for the first time two years previously.
The brand-new Rotonde de Cartier Astrotourbillon carbon crystal constitutes the first step towards the Cartier ID One industrialization thanks to its tourbillon escapement that requires no adjustments nor lubrication.
Thanks to breakthrough technologies, the tourbillon bridges, the anchor and the escape-wheel are all made of carbon crystal and match perfectly at the time of assembly, requiring no lubrication at all.
Thanks to the Deep Reactive Ion Etching (DRIE) manufacturing process, the carbon crystal components reach ultra-precise tolerances to a thousandth of a millimeter, i.e. one micron, and have extremely smooth surfaces. These qualities are essential for the escape-wheel and the mono-bloc anchor, which dispense their life-essential impulses with maximum efficiency and no need for lubrication.
This smoothness is essential in the Astrotourbillon carbon crystal, since the lack of lubrication means the teeth of the escape-wheel dispense six precisely timed motive impulses per second to the mono-bloc anchor. These impulses maintain the continual swinging of the oscillator.
The escapement of mechanical movements suffers strong constraints. A balance with a frequency of three hertz completes 21,600 semi-oscillations per hour, continuously, 24 hours a day. The total number of impulses in this time span is 518,400, which, when multiplied by the number of days in one year, results in the phenomenal total of 189,216,000. After five years, the total has increased to nearly a billion impulses, each of which entails forceful contact between a tooth of the escape-wheel and a pallet-stone.
Thanks to the intrinsic hardness of carbon crystal, which exceeds 10,000 Vickers, bearing jewels become superfluous. Small and very precisely positioned apertures suffice, and these openings can already be cut into the plate and bridges when these parts are designed and manufactured. Extreme hardness is only one aspect in the spectrum of horological innovations. Carbon crystal is not only transparent and non-magnetic, its density is also very light.
The escapement-wheel must be momentarily halted and instantly reaccelerated six times per second, so every milligram of weight that can be pared away results in significant energy savings. Made of carbon crystal, the escape-wheel and the anchor are extremely light.
The same holds true for the tourbillon’s rotating cage. Carbon crystal is used as the material for the elongated bearing plate and for the three bridges which bear the balance staff, the shaft of the pallet and the shaft of the escape-wheel respectively.
Thus, the whole Astrotourbillon cage achieves an impressive lightness of 0.46 gram, including the platinum counterweight!
Mechanical watches function because many of their components move in one way or another. A gear turns incessantly in circles, a pallet and a balance continually swing to and fro. Each of these three components has an axle (i.e. a shaft, staff or arbor), which culminates in pivots, and these are borne in bearings. The motion of the pivots necessarily creates friction, which gradually causes unwanted signs of wear. The situation is most critical in the escapement system, i.e. with the pallet and the escape-wheel, where rotation speeds are significantly higher. Watchmakers have traditionally sought to minimize friction through a threefold combination: pivots made from annealed and optimally polished steel, inserted into very hard rubies, which are periodically lubricated with a suitable lubricant. The pivots can be likened to the Achilles’ heel of a mechanical watch.
In an unprecedented application, Cartier has manufactured the pivots from ultra-hard tungsten carbide, a variety of ceramic, coated with a smooth layer of diamond. The pivots can move into the carbon crystal bridges with minimal friction and no lubrication.
The 47-millimeter Rotonde de Cartier case is crafted from niobium-titanium, a lightweight and non-magnetic alloy that steadfastly resists corrosion, scratches and shocks. Used for the Cartier ID One concept watch, this new material is also bio-compatible and hypoallergenic.
Presented in a limited and numbered edition of 50 pieces, the Rotonde de Cartier Astrotourbillon carbon crystal, featuring an adjustment-free and lubrication-free escapement, is the first step in the future of watchmaking.
ROTONDE DE CARTIER ASTROTOURBILLON CARBON CRYSTAL WATCH
STICKING TO OURS ID
A NEW STEP INTO CARTIER'S INNOVATION
THE INDUSTRIALIZATION OF CARTIER ID ONE CONCEPT WATCH
from the Cartier ID One concept watch to the rotonde de Cartier astrotourbillon carbon crystal watch.
A mechanical watch’s movement traditionally requires several adjustments executed by a master watchmaker. These adjusting operations are mandatory to ensure the watch functions well.
In 2009, Cartier presented a breakthrough concept watch to tackle this age-old challenge for watch-makers: the Cartier ID One concept watch, the first adjustment-free and lubrication-free watch. This milestone in watch history was not the end of the line for Cartier’s innovation, quite the contrary; it was the starting point for future industrializations.
In 2012, Cartier presents an outstanding adaptation of the functions of the Cartier ID One and the famous Astrotourbillon movement, unveiled for the first time two years previously.
The brand-new Rotonde de Cartier Astrotourbillon carbon crystal constitutes the first step towards the Cartier ID One industrialization thanks to its tourbillon escapement that requires no adjustments nor lubrication.
Thanks to breakthrough technologies, the tourbillon bridges, the anchor and the escape-wheel are all made of carbon crystal and match perfectly at the time of assembly, requiring no lubrication at all.
Thanks to the Deep Reactive Ion Etching (DRIE) manufacturing process, the carbon crystal components reach ultra-precise tolerances to a thousandth of a millimeter, i.e. one micron, and have extremely smooth surfaces. These qualities are essential for the escape-wheel and the mono-bloc anchor, which dispense their life-essential impulses with maximum efficiency and no need for lubrication.
This smoothness is essential in the Astrotourbillon carbon crystal, since the lack of lubrication means the teeth of the escape-wheel dispense six precisely timed motive impulses per second to the mono-bloc anchor. These impulses maintain the continual swinging of the oscillator.
The escapement of mechanical movements suffers strong constraints. A balance with a frequency of three hertz completes 21,600 semi-oscillations per hour, continuously, 24 hours a day. The total number of impulses in this time span is 518,400, which, when multiplied by the number of days in one year, results in the phenomenal total of 189,216,000. After five years, the total has increased to nearly a billion impulses, each of which entails forceful contact between a tooth of the escape-wheel and a pallet-stone.
Thanks to the intrinsic hardness of carbon crystal, which exceeds 10,000 Vickers, bearing jewels become superfluous. Small and very precisely positioned apertures suffice, and these openings can already be cut into the plate and bridges when these parts are designed and manufactured. Extreme hardness is only one aspect in the spectrum of horological innovations. Carbon crystal is not only transparent and non-magnetic, its density is also very light.
The escapement-wheel must be momentarily halted and instantly reaccelerated six times per second, so every milligram of weight that can be pared away results in significant energy savings. Made of carbon crystal, the escape-wheel and the anchor are extremely light.
The same holds true for the tourbillon’s rotating cage. Carbon crystal is used as the material for the elongated bearing plate and for the three bridges which bear the balance staff, the shaft of the pallet and the shaft of the escape-wheel respectively.
Thus, the whole Astrotourbillon cage achieves an impressive lightness of 0.46 gram, including the platinum counterweight!
Mechanical watches function because many of their components move in one way or another. A gear turns incessantly in circles, a pallet and a balance continually swing to and fro. Each of these three components has an axle (i.e. a shaft, staff or arbor), which culminates in pivots, and these are borne in bearings. The motion of the pivots necessarily creates friction, which gradually causes unwanted signs of wear. The situation is most critical in the escapement system, i.e. with the pallet and the escape-wheel, where rotation speeds are significantly higher. Watchmakers have traditionally sought to minimize friction through a threefold combination: pivots made from annealed and optimally polished steel, inserted into very hard rubies, which are periodically lubricated with a suitable lubricant. The pivots can be likened to the Achilles’ heel of a mechanical watch.
In an unprecedented application, Cartier has manufactured the pivots from ultra-hard tungsten carbide, a variety of ceramic, coated with a smooth layer of diamond. The pivots can move into the carbon crystal bridges with minimal friction and no lubrication.
The 47-millimeter Rotonde de Cartier case is crafted from niobium-titanium, a lightweight and non-magnetic alloy that steadfastly resists corrosion, scratches and shocks. Used for the Cartier ID One concept watch, this new material is also bio-compatible and hypoallergenic.
Presented in a limited and numbered edition of 50 pieces, the Rotonde de Cartier Astrotourbillon carbon crystal, featuring an adjustment-free and lubrication-free escapement, is the first step in the future of watchmaking.
-
Brand : Cartier Collection : Fine Watchmaking Collection Model : Rotonde de Cartier Astrotourbillon Cristal de Carbone Reference : W1556221 Nber of pieces : 50 Complement : Niobium Titanium - Alligator Strap On sale : 2012 List Price : 216 000 € Diameter : 47 mm Styles : High Horology Atypical Types : Hand-winding Calibre : 9460 MC Calibre distinction : Adjustment-free and lubrication-free escapement Carbon crystal tourbillon bridges anchor and escape-wheel Tourbillon with axis at the center of the movement Complication : Tourbillon Case material : Niobium-Titanium Case peculiarity : Anti-magnetic Circular-grained crown set with sapphire cabochon Shape : Round Water-resistance : 30 meters Dial color : Black Display : Luminescent hands Indexes : Railroad Roman numerals Glass : Sapphire Strap material : Alligator leather Strap color : Black Strap clasp : Folding buckle More characteristics : Manual mechanical movement
9460 MC
Adjustment-free and lubrication-free escapement
Tourbillon with axis at the center of the movement
Carbon crystal tourbillon bridges. anchor and escape-wheel
Tungsten carbide escapement pivots
Number of jewels: 17
Power reserve: 50 hours
Diameter: 40.1 mm
Thickness: 9 mm
Number of pieces: 195
Frequency:
3Hz i.e.. 21’600 oscillations/hour
Adjustable folding clasp in 18-carat white gold