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Ulysse Nardin Diver AIR: the world's lightest mechanical diver's watch weighs less than an egg

The revolutionary Diver AIR combines innovation, lightness and durability

Ulysse Nardin Diver AIR
Photo: Ulysse Nardin

Just when you think you've seen it all in the world of luxury watches, Ulysse Nardin comes along and presents a watch that weighs less than many desserts. The Ulysse Nardin Diver AIR breaks all records at a mere 52 grams — and without sacrificing robustness, aesthetics or prestige.

If you thought a “serious” dive watch necessarily meant piece of metal, heavy as a gold ore bracelet, it's time to get to know Ulysse Nardin Diver AIR (ref. 3743-170-2A/0A) from the watchmaking house Ulysse NardinThis technologically futuristic piece not only breaks down the weight on the scale, but also preconceptions about what a mechanical watch can offer.

Engineering excess: a skeleton in the service of lightness

The heart of the Diver AIR is the newly designed UN-374 movement, based on the UN-372 caliber known from Diver X SkeletonInstead of saving weight with a smaller diameter, Ulysse Nardin went “full skeleton” — removing the top plate and most of the mass, but maintaining extreme robustness. The movement contains 199 components, 21 bearings, beats at 3 Hz (21,600 vibrations per hour) and provides an incredible 90-hour power reserve.

Photo: Ulysse-Nardin

What's special? A huge oscillator with silicone weights, a silicone anchor, a balance spring, and even a gear train – all built for maximum efficiency and minimal weight.

A watch that breathes durability

The Diver AIR is not just a watch for tech enthusiasts, but also for environmentally conscious fashion icons. The case is made of 90 % recycled titanium, the frame is made of carbon fiber recovered from the hulls of IMOCA sailboats, and the sides and lugs are made of a combination of fishing nets and nylon called Nylo-Foil. In other words — ocean trash has never been worn so stylishly.

Photo: Ulysse Nardin
Photo: Ulysse Nardin

Strap? Ultra-light, of course.

The watch comes with two interchangeable textile straps – one in white, the other in orange – both weighing under 6 grams. If the watch without the strap weighs 46 g, that means you're practically at 80 % air, 20 % genius.

What do you get for 36,000 CHF?

  • Case diameter: 44 mm
  • Thickness: 14.76 mm
  • Water resistance: 200 m
  • Caliber: UN-374, automatic, skeleton
  • Power reserve: 90 hours
  • Functions: hours, minutes, seconds
  • Strap: 2x ultra-light textile (white and orange)
  • Price: 36,000 CHF (approximately 38,000 USD)

Diver AIR: more than a watch

A case of horological manifesto of the future — a perfect fusion of sustainable thinking, avant-garde technology and Swiss prestige. If you want a watch that doesn't drag on your wrist like an anchor, but floats like a feather, the Diver AIR is your new icon.

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