Richard Mille RM 004

The RM 004 is a manual-winding split-seconds chronograph (rattrapante) manufactured by Richard Mille. Introduced in 2003, it was the first chronograph movement developed by the brand and was produced in a Felipe Massa edition case. Co-developed with Renaud & Papi, the movement exemplifies Richard Mille's pursuit of lightweight construction—the watch weighs just 48 grams including its strap. Production is discontinued.