Richard Mille’s World’s Thinnest Watch Costs $1.9 Million


Sleek, luxurious, and expensive are three terms to describe Richard Mille’s newest watch. The Calibre RM UP-01 Ferrari just broke the record for the world’s thinnest watch – a record set only a few months ago by the Octo Finissimo Ultra at 1.80mm.

The Calibre RMUP-01 Ferrari beat it by 0.05mm, measuring at 1.75mm in thickness. For context, a sharp pencil point is 1mm and the average crayon point is roughly 2mm. Rather than stacking the components that make a watch tick, the producers spread them side by side to achieve a flatter watch.

The watch, which has been in the making since 2021 is a product of a partnership between Ferrari and Richard Mille. Their shared goal for innovation and excellence led them to create a long-term partnership. The RM UP-01 Ferrari is the first product of that partnership.

Even with its sleek design, the watch is water-resistant up to 32 feet, can withstand accelerations of over 5,000 g’s, and has a power reserve of 45 hours. The baseplate and bridges are crafted of grade 5 titanium, a biocompatible, highly corrosion-resistant and rigid alloy, which enables the gear train to function effortlessly.

Richard Mille’s World’s Thinnest Watch Costs $1.9 Million

The alloy is 90% grade 5 titanium, 6% aluminium and 4% vanadium. This combination further increases the material’s mechanical properties, which explains its frequent use in the aerospace, aeronautics and automotive industries.

The watch is a limited edition with only 150 pieces produced. Richard Mille wrist watches usually carry a hefty price tag and this is no exception as it costs as much as $1,888,000.

Movement characteristics of the watch

  • Movement dimensions: 41.45 x 28.85 mm
  • Thickness: 1,18 mm
  • Jewels: 23
  • Balance: in Grade 5 titanium, 3 arms, 6 setting weights
  • Moment of inertia 3 mg•cm2, angle of lift 54°
  • Frequency: 28’800 vph (4 Hz)
  • Balance spring: AK 3
  • Shock protection: Kif