Richard Mille uses diamond-hard titanium for RM 11-05 Automatic Flyback Chronograph GMT


Richard Mille has adopted an alloy it calls grey Cermet that it claims to combine the lightness of titanium and the hardness of diamond for a new RM 11-05 Automatic Flyback Chronograph GMT.

The company will make 140 of the limited edition, which goes on sale this month for $215,000.


Cermet’s properties have been put to use in ballistic protection, external aerospace fuselage components, and in the brakes of competition vehicles.

The RM 11-05 Automatic Flyback Chronograph GMT comes in a 50 x 42.70 x 16.15mm case.

Its RMAC3 calibre has a baseplate and bridges made of grade 5 titanium, which maintains the integrity of the lightweight movement.

The skeletonised automatic movement drives 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.

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