RM 60-01

Automatic winding flyback chronograph Les Voiles de Saint Barth
RM 60-01watch cover
RM 60-01

LES VOILES DE ST BARTH RICHARD MILLE

Veering from serene to extreme, Les Voiles de St Barth Richard Mille has always stood out as a state of the art rendez-vous for top notch competitiveness and record-breaking technology. Richard Mille was there right from the start in 2010. Over its first decade the competition welcomed tens of thousands of sailors and close to 500 boats from the four corners of the world – on average 80 crews competing in 7 classes each edition – swiftly imposing itself as one of the highlights of the Caribbean season. The heady mix of extreme conditions makes this event truly unique.
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RM 60-01 FLYBACK CHRONOGRAPH LES VOILES DE SAINT BARTH

CALIBRE RMAC2

Automatic winding movement with hours, minutes, running seconds at 3 o’clock, oversize date, month, annual calendar, flyback chronograph with central seconds counter and 60-minute countdown timer at 9 o’clock, 24-hour totaliser at 6 o’clock, UTC function and variable-geometry rotor.

Limited edition of 80 pieces.
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POWER RESERVE

Circa 50 hours (± 10%).
45 hours with chronograph running. Actual power reserve results will depend on how much the chronograph features are utilised.
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BASEPLATE AND BRIDGES MADE OF GRADE 5 TITANIUM

These components, crafted of grade 5 titanium with black PVD coating, confer great rigidity on the whole assembly, as well as the precise surface flatness essential for perfect functioning of the gear train.

The skeletonised baseplate and bridges were subjected to intensive and complete validation tests to optimise their resistance capacities.

BASEPLATE AND BRIDGES MADE OF GRADE 5 TITANIUM

FLYBACK CHRONOGRAPH

By using the pusher between 4 and 5 o’clock, the running chronograph can be reset without having to first stop the mechanism. This was originally developed for pilots in order to avoid wasting time (and therefore accuracy) due to stopping, resetting and starting the chronograph whilst crossing a navigational point.
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RM 60-01

ANNUAL CALENDAR

Semi-instantaneous with automatic adjustment for months of 30 or 31 days, the oversize date is placed in a yellow-outlined horizontal aperture under 12 o’clock, while the month sits between 4 and 5 o’clock.

UTC FUNCTION

The RM 60-01 features a UTC hand that can be used either as a second time zone indicator, or in combination with the sun and the rotating bezel, to orientate the points of the compass.

VARIABLE-GEOMETRY ROTOR

The Richard Mille RM 60-01 uses variable geometry to optimise the rotor’s winding motion.

Rotor specifications
• Arm 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, high palladium content
• Ceramic ball bearings
• Unidirectional; anti-clockwise winding direction

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.

VARIABLE-GEOMETRY ROTOR

MOVEMENT CHARACTERISTICS

Movement diameter: 39.15 mm
Thickness: 9.00 mm
Number of jewels: 62
Balance: Glucydur®, 4 arms, moment of inertia 4.8 mg•cm2, angle of lift 53°
Frequency: 28,800 vph (4 Hz)
Balance spring: elinvar by Nivarox®
Shock protection: INCABLOC
908.22.211.100 (transparent)
Escapement wheel jewels: Rubifix (transparent)
Three-position stem: Manual winding, date adjustment, time setting

MOVEMENT CHARACTERISTICS

CASE

The four-part case of the RM 60-01 is very difficult to make. After a turning operation lasting 1 hour and 40 minutes, no less than 800 milling operations lasting several hours are required. Machining demands nearly 11 hours of separate operations.

All these stages are vital to producing the characteristic ergonomics of Richard Mille watches.
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BIDIRECTIONAL BEZEL WITH COMPASS SEGMENTS

The RM 60-01 was conceived to allow navigators to orientate themselves at sea, thanks to the rotating bezel featuring the display of the four cardinal points, a measuring disc of 360° and a 24-hour scale.

What differentiates the RM 60-01 from the other ‘regatta’ watches is that it can be used for orientation in both the Northern and the Southern Hemispheres without any additional calculation, simply by selecting the appropriate scale.

BIDIRECTIONAL BEZEL WITH COMPASS SEGMENTS

LOCKING CROWN

In order to forestall accidental actuation due to accidental manipulation, Richard Mille developed a secondary locking crown that immobilises both pushers simultaneously with a simple turn.

The red and green indexes respectively show whether the locking mechanism is in operation or deactivated. This complex, innovative mechanism is patented by Richard Mille.

The 3 pushers, their components and the crown require 10 days of machining, during which they undergo numerous tests for water-resistance and quality control.
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Finishing

Other features