DEVELOPPED FOR EXTREME TRAVELLERS
RM 58-01 TOURBILLON JEAN TODT
MULTIPLE-TIMEZONE ADJUSTMENT MECHANISM
Behind its apparent simplicity hides a technical mechanism of immense complexity.
In contrast to other time zone watches, the RM 58-01 does not involve a pusher to change from one time zone to another. The time is set by simply rotating the bezel anticlockwise, making adjustment a much quicker operation. The rotating bezel incorporates a dedicated wheel connected to the movement that acts directly on the hour wheel. Turning the bezel anticlockwise ensures quicker, more accurate time setting. The lower disc, divided into 24 hours, shows the time in other cities and indicates whether it is day (white) or night (black).
Richard Mille wanted a device that would be very simple for the user; nonetheless, this innovation is the outcome of many hours of work by Richard Mille’s movement and case engineers, who managed the feat of linking the bezel and movement with a special gear train for perfect interaction, while ensuring that the whole timepiece remains water-resistant.
Movement diameter: 39.15 mm
Thickness: 8.54 mm
Tourbillon diameter: 11.90 mm
Balance wheel diameter: 9.12 mm
Number of jewels: 41
Balance wheel: Glucydur®, 2 arms and 4 setting screws, moment of inertia 10 mg•cm2, angle of lift 53°
Frequency: 21,600 vph (3 Hz)
Balance spring: elinvar by Nivarox®
Shock protection: KIF Elastor KE 160 B28
Barrel shaft: nickel-free Chronifer (DIN x 46 Cr 13 + S) with the following characteristics: stainless - antimagnetic - suitable for tempering