This watch expresses femininity through its elegant tonneau shape, sculpted in colored sapphire, which is sublimated by a movement in 18k 5N red gold or white gold and set with hundreds of diamonds. The watch dial, whether in mother-of-pearl, jasper or pave-set stones, exhibits a refined classicism that feels resolutely contemporary.
RM 07-02 AUTOMATIC
AUTOMATIC WINDING SAPPHIRE
SPARKLING COMPLEXITY
This watch expresses femininity through its elegant tonneau shape, sculpted in colored sapphire, which is sublimated by a movement in 18k 5N red gold or white gold and set with hundreds of diamonds. The watch dial, whether in mother-of-pearl, jasper or pave-set stones, exhibits a refined classicism that feels resolutely contemporary.
WORDS OF ROB MELVILLE, McLaren Automotive's Head Designer
CALIBRE CRMA5
Skeletonised automatic-winding in-house movement
Hours, minutes and variable-geometry rotor
Baseplate, bridges and variable geometry rotor in gem-set 5N red gold
Power reserve : Circa 50 hours (± 10%).
Dimensions: 32.90 x 46.75 x 14.35 mm
SAPPHIRE CASE
Observing the manufacturing process of a sapphire case highlights the challenge its creation entails, from both an engineering and a technical standpoint. There is no room for even a single cutting error.
The case requires almost forty days of machining and finishing to meet the uncompromising specifications laid out by Richard Mille. Numerous tests then follow to verify that the brand’s resistance and comfort requirements have been met.
This case highlights the house’s skeletonised movement— in micro blasted white gold for the green and blue sapphire versions, and in 5N red gold for the pink and brown sapphire versions.
BASEPLATE AND BRIDGES MADE OF GRADE 5 TITANIUM
FLYBACK CHRONOGRAPH
OVERSIZE DATE DISPLAY
MONTH DISPLAY
VARIABLE-GEOMETRY ROTOR
• 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 makes it possible to effectively adapt rewinding of the mainspring to the user’s activity level, in sporting or non-sporting environments. By adjusting the six-position rib, the rotor’s inertia is modified to either speed up the winding process in the case of leisurely arm movements, or to slow it down during sporting activities.
MOVEMENT CHARACTERISTICS
Thickness: 5.05 mm
Number of jewels: 25
Balance: CuBe, 4 arms, 4 setting screws, moment of inertia 7.5 mg•cm 2, angle of lift 50°
Frequency: 28,800 vph (4 Hz)
Balance spring: AK3
Shock protection: INCABLOC 908.22.211.100 (transparent)
Escapement wheel jewels: Rubifix (transparent)
BRIDGES IN GEM-SET GOLD
The skeletonised baseplate and bridges were subjected to separate and extensive validation tests to optimise their resistance capacities.
GEMSET VARIABLE-GEOMATRY ROTOR
• Heavy external outside edge and heavy edge ring in 5N red gold
• Weight segment in heavy metal
• Ceramic ball bearings
• Automatic OneWay® ceramic winding system with ball bearings
• Bidirectional winding system
FINISHING
• Microblasted milled sections
• Hand-polished sinks
• Burnished sections
• Hand-polished anglage
• Hand-polished sinks
• Burnished sections
• Diamond-polished angles
• Circular-finished faces
• Rhodium plating (before cutting the teeth)
OTHER FEATURES
- The phenomenon of periodic internal mainspring adhesion is significantly diminished, thereby increasing performance,
- Provision of an excellent mainspring delta curve with an ideal power reserve/performance and regularity ratio.
GEAR-TEETH PROFILE
FREE-SPRUNG BALANCE WITH VARIABLE INTERTIA
This type of balance wheel represents the ultimate in innovation. It guarantees greater reliability when subjected to shocks or 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.
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