Richard Mille RM 027 Tourbillon

RM 027 Tourbillon by Richard Mille

 
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Published by 3783 on October 20 2010, 19:37.

The Richard Mille RM 027 Tourbillon
Richard Mille has developed the RM 027 Tourbillon in collaboration with Rafael Nadal who tested this watch in real world conditions and who will wear it during matches.

CALIBER RM 027: manual winding tourbillon movement with hours and minutes. Dimensions: 48 mm x 39.70 mm x 11.85 mm Weight of the movement: 3.83 g Weight of the watch without strap: circa 13 g

Richard Mille 027 Tourbillon specifications
CASE
The RM 027 watchcase, composed of a composite containing large amounts of carbon, provides a
tough and resilient enclosure for the tourbillon movement at its center. The back bezel and caseband
are monobloc to ensure total lightness. The glass, with anti-glare treatment, has remarkable properties
of stiffness and torsional rigidity.
OTHER FEATURES
- Movement dimensions: 30.20 x 28.80 mm
- Thickness: 7.00 mm
- Tourbillon diameter: 10.90 mm
- Balance wheel diameter: 9.12 mm
- Number of jewels: 19
- Balance: GLUCYDUR, 2 arms, 4 setting screws
- Inertia moment 11.50 mg.cm2, angle of lift 53º
- Frequency: 21,600 vph (3 Hz)
- Balance spring: ELINVAR by NIVAROX
- Shock protection: KIF ELASTOR KE 160 B28
- Barrel shaft in nickel-free chronifer (DIN x 46 Cr 13 + S) with the following characteristics:
stainless- antimagnetic- suitable for tempering
FINISHING
MOVEMENT BLANK
- chamfers with lengthwise hand-drawn finishing
- beadblasted milled sections
- hand-drawn upper faces
STEEL PARTS
- beadblasted surfaces
- satin-brushed surfaces
- hand-polished bevels
- hand-drawn finishing on the upper surface
- matt strokes on the underside
- lengthwise hand-drawn strokes on the flanks
- polished sinks
PROFILE-TURNING
- lapped and polished ends
- burnished pivots
GEAR WHEELS
- Concave chamfering with a diamond tool
- Circular-smoothed faces
- Gilding (before cutting the teeth)
Minimum manual correction to the wheels undertaken in order to preserve geometry and
performance

 
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