Đồng hồ Richard Mille RM 11-05 Automatic Winding Flyback Chronograph GMT
Đồng hồ Richard Mille RM 11-05 Automatic Winding Flyback Chronograph GMT
Bảo hành 5 năm quốc tế
Giá thị trường 5.160.000.000 VND
Giá 5.160.000.000 VND
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THE LIGHTNESS OF TITANIUM MEETS THE HARDNESS OF DIAMOND
True to the Richard Mille spirit, grey Cermet is the fruit of painstaking research conducted by the brand, which is unrelenting in its commitment to the creation of new materials. This exclusive Richard Mille material combines the lightness of titanium and the hardness of a high-performance ceramic. Its density of 4.1 g/cm3 – less than that of titanium – and its hardness of 2,360 Vickers – almost the same as diamond's 2,400 Vickers – make Cermet a judicious choice for use in bezels that are very exposed to scratches, while maintaining overall lightness.
The RM 11-05 gives pride of place to lightness and strength. It combines a flyback chronograph with a GMT display and an annual calendar. A rare mechanism, produced in a numbered limited edition of just 140 units.
CALIBRE RMAC3
Skeletonised automatic winding movement with hours, minutes, seconds at 3 o’clock, oversize date, month, flyback chronograph with minutes and countdown counters at 9 o’clock, hour counter at 6 o’clock, UTC function and variable-geometry rotor.
POWER RESERVE
Circa 55 hours (± 10%), 45 hours with chronograph running.
Actual power reserve results will depend on how much the chronograph features are utilised.
BASEPLATE AND BRIDGES MADE OF GRADE 5 TITANIUM
The baseplate and bridges are crafted of grade 5 titanium, a biocompatible, highly corrosion-resistant and remarkably rigid alloy, which enables the gear train to function effortlessly. The alloy is 90% grade 5 titanium, 6% aluminium and 4% vanadium. This combination further increases the material’s mechanical properties, which explains its frequent use in the aerospace, aeronautics and automotive industries.
The baseplate of the RMAC3 calibre has been optimised for an extremely low weight/resistance ratio.
The skeletonised baseplate and the bridges were subjected to intensive and complete validation tests to optimise their resistance capacities.
FLYBACK CHRONOGRAPH
By using the pusher between 4 and 5 o’clock, the running chronograph can be reset without first having to stop the mechanism. This was originally developed for pilots in order to not waste time (and therefore accuracy) from stopping, resetting and starting the chronograph whilst crossing a navigational point.
While the chronograph function is activated, the hours and minutes show up the elapsed time thanks to the counter at 6 and 9 o’clock, the seconds are indicated by the central hands.
GMT FUNCTION
The RM 11-05 features a GMT hand filled with Super-LumiNova. It can be easily adjusted using the pusher at 9 o’clock.
ANNUAL CALENDAR WITH OVERSIZE DATE DISPLAY
Semi-instantaneous, placed in a blue outlined aperture under 12 o’clock with automatic adjustment for months of 30 or 31 days.
The month display is semi-instantaneous and indicated by Arabic numerals, placed between 4 and 5 o’clock.
ROTOR WITH VARIABLE GEOMETRY
• Central flange in grade 5 titanium
• 18K white gold weight segment
• Weight segment with 6 possible positions adjusted by screws in grade 5 titanium
• 18K white gold wings
• Ceramic ball bearings
• Unidirectional anti-clockwise winding
This exclusive Richard Mille design allows the rewinding of the mainspring to be adapted most effectively to the user’s activity level whether it be sporting or non-sporting environments. By adjusting the setting of the rib’s placement, the rotor’s inertia is modified to either speed up the winding process in the case of leisurely arm movements or slow it down when sporting activities are pursued. As a result, this invention allows the movement’s winding mechanism to be optimized and personalized to the owner’s lifestyle.
MOVEMENT CHARACTERISTICS
Movement dimensions: 30.25 x 38.45 mm
Thickness: 9.00 mm
Jewels: 68
Barrel arbor: AP 20 steel
Balance: Glucydur®, 4 arms, moment of inertia 4.8 mg•cm2, angle of lift 53º
Frequency: 28,800 vph (4 Hz)
Balance spring: elinvar by Nivarox®
Index assembly: Triovis n° 2
Shock protection: INCABLOC 908.22.211.100 (transparent)
Escapement wheel jewels: Rubifix (transparent)
Three-position winding stem: Stem with three positions: Manual winding, date adjustment, hand setting
CASE
An all-new material exclusive in watchmaking to Richard Mille, grey Cermet combines the lightness of titanium with the hardness of a ceramic. It consists of a metallic zirconium matrix associated with high performance ceramic that gives the material its singular grey colour.
The production process is no less extreme than the material itself. Heating and forming such different materials together at high temperatures without adulterating their respective qualities and achieving a homogenous material is no mean feat, and one rendered all the more difficult as the composition eschews the nickel and cobalt generally used in this family of hard materials. The material is fully REACH compliant.
After years of development in specialised laboratories, Richard Mille and the Groupe IMI have succeeded in eliminating these unwanted binders, conserving only the desirable materials thanks to an innovative process that combines conventional hot-stamping associated with a series of bursts of high-voltage electrical current that make it possible to augment the kinetics of the sintering. The technique is known as flash sintering.
Cermet’s physical properties are widely recognised, hence its frequent use in ballistic protections and in aerospace for re-entry shuttle components, exterior fuselage pieces and in the brakes on competition vehicles. Cermet has a mass to volume ratio of 4.1 g/cm3 and a hardness of 2,360 Vickers, comparable to other performance high-ceramic making it eminently suitable for use in bezels, an area highly vulnerable to scratches, while ensuring that entire assembly is light in weight.
This bezel and the caseback in grade 5 titanium are affixed to a caseband made of Carbon TPT®, which also contributes to lowering total weight.
The complete case construction is water-resistant to 50 metres thanks to two Nitrile O-ring seals and is assembled using 20 spline screws in grade 5 titanium and 316L stainless steel washers.
FINISHING
MOVEMENT
• Baseplate and bridges in titanium, wet sandblasted and PVD treated
• Anglage and polishing by hand
• Hand-polished locking sections
• Burnished pivots
• Diamond-polished sinks
• Pinions with undercuts
STEEL PARTS
• Sapphire-blasted surfaces
• Anglage and polishing by hand
• Screw slot and screws bevelled and polished with rounded and polished tip
WHEELS
• Concave chamfering with a diamond tool
• Circular-decorated faces
• Rhodium plating (before cutting the teeth)
• Minimal corrections applied to the wheels in order to preserve geometry and performance
OTHER FEATURES
DOUBLE-BARREL SYSTEM
The double-barrel system contributes to torque stability over a longer period. This is achieved by using higher rotations of the barrel, thereby reducing pressure and wear on the teeth, bearings and pivots, improving long-term performance.
FREE-SPRUNG BALANCE WITH VARIABLE INERTIA
This type of balance wheel represents the ultimate in innovation. It guarantees greater reliability when subjected to shocks and during movement assembly or disassembly, hence better chronometric results over time. The regulator index is eliminated, and a more accurate and repeatable calibration is possible thanks to 4 small adjustable weights located directly on the balance.
SPLINE SCREWS IN GRADE 5 TITANIUM FOR THE BRIDGES AND CASE
This permits better control of the torque applied to screws during assembly. These screws are unaffected by physical manipulation during assembly or disassembly and age well.
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