Visually the RM 025 watch breaks with the iconic Richard Mille case, yet this is a change born directly from technical necessity. Water resistance of 30 atmospheres (300 metres) following ISO 6425 diver’s watch norms, is only possible at these depths with a round case shape. The unique tripartite case is complemented by the additional integration of the lugs into the case’s torque screw system, as well as the dynamometric crown and a new design of watertight pushers.
Unlike any other, the bezel is constructed of three layers, connected with 24 screws, turning unidirectionally. In addition, the entire bezel system is screwed to the watchcase making it absolutely stable as well as impossible to inadvertently dislocate or loosen. For clearer visibility under murky conditions, starting at 12 o’clock, the five-minute markers of the first quarter are highlighted red. Within ticks the caliber RM 025, a carbon nanofiber tourbillon chronograph. The column wheel and levers are made in titanium in order to reduce inertia and lower energy consumption circa 50%, reducing friction on the spindle and eliminating the jumps and shocks of the chronograph hand during stopping and starting.
Available in 18-carat red or white gold and titanium, all models are fitted with 18-carat red gold lugs with a screwed and a rubber diver’s strap.
Source: Europa Star February-March 2009 Magazine Issue
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