Richard Mille RM 67 vs Patek Aquanaut

The Richard Mille RM 67 and the Patek Philippe Aquanaut are two interpretations of the ultra-thin modern luxury sports watch — both designed for wear-and-forget comfort, both representing their respective brand's contemporary aesthetic, and both occupying meaningfully different price tiers despite functional similarity. The RM 67-02 ultra-thin is grade-5 titanium tonneau-shape, automatic with skeletonised dial, 6.3mm thick, weighing roughly 32 grams cased and bracelet combined — the lightest serious luxury sports watch ever produced. The Aquanaut 5167A is 40mm rounded-octagonal stainless steel, 8.1mm thick, on tropical rubber strap, with the in-house Calibre 324 S C automatic. The RM 67-02 trades $80,000–$120,000; the Aquanaut 5167A trades $35,000–$50,000. Both are excellent ultra-thin sports watches; the RM 67 is the more visually distinctive and the technically more extreme; the Aquanaut is the more rationally priced and the more universally wearable luxury sports watch.