“Firsts” are something of a theme when it comes to the RM 50-03 Tourbillon Split Seconds Chronograph Ultralight McLaren F1 — or the RM 50‑03, as we’ll happily address it from here on out. A “racing machine for the wrist” in the truest sense, the RM 50-03 is indeed a watch of firsts.
The first product of a promising partnership between an iconic watch brand and an automotive powerhouse; the first watch to incorporate a first-of-its-kind material discovered through Nobel Prize-winning research; first place on the list of “Lightest Split-Seconds Chronographs Ever Made”. Did we mention that? And did we mention that this particular split-seconds chronograph of world-record lightness also includes a tourbillon?