Richard Mille 025 Chronograph Diver’s part 2

CHRONOGRAPH
(Column wheel in titanium) The modern architecture of this movement has allowed for the consistent and rational arrangement of its constituent parts, avoiding unnecessary superimpositions and permitting the best possible use of the functions with technical solutions. For example, research was conducted into the geometrical design of the column wheel that controls the different levers to ensure the perfect, long-term simultaneity of the functions, a feature that is essential for a high performance chronometer. This design was implemented in order to achieve a high degree of continuity of the settings and an unfailing repeatability of the functions. Operation: the user can start or stop the chronograph function via the pusher located on the lower left at 8 o’clock. The hands are reset by pressing another pusher located on the upper left at 10 o’clock. 300

METER WATER RESISTANT CASE
The watch is water resistant to 30 atmospheres (300 meters) following ISO 6425 diver’s watch norms. This is achieved with a unique tripartite case design complemented by the additional integration of the lugs into the case’s torque screw system, as well as the torque limiting crown and a new design of watertight pushers. The lugs of all versions (18-carat red and white gold or titanium) are in 18-carat red gold, with screws for the attachment of the rubber diving strap. BEZEL Built up of three layers connected with 24 screws, turning unidirectionally following ISO 6425 norms to avoid timing miscalculations.
The use of an additional screwed system attaching the bezel to the watchcase makes it absolutely stable as well as impossible to inadvertently dislocate or loosen. In addition, the use of screws allow for perfect adjustment since the bezel is not tensioned into position. For clearer visibility under murky conditions, starting at 12 o’clock, the five-minute markers of the first quarter are highlighted red.