Composite supplies are, by far, essentially the most fascinating of all such choices in watchmaking. We classify them with all different unique supplies, together with sapphire crystal, as a result of there are only a few of all these watch circumstances, as soon as one separates bimetallic ones.
However, watches that mix metals, polymers and ceramics do depend as correctly unique, such because the Ulysse Nardin Diver (Air). As you’ll be able to inform, we’re utilizing our editorial prerogatives to outline unique and, for the reason that phrase is redolent of bias and opinion, why not!
In our authentic story about composites two years in the past, we used an AI-derived definition for composites. Right here is one from a industrial producer of composites: “A composite materials is a mixture of two supplies with completely different bodily and chemical properties.
When they’re mixed, they create a fabric which is specialised to do a sure job, as an example, to develop into stronger, lighter, or proof against electrical energy. They’ll additionally enhance energy and stiffness.

The rationale for his or her use over conventional supplies is that they enhance the properties of their base supplies and are relevant in lots of conditions.” (Supply: TWI International).
No particular energy, toughness, or some other attribute works for all composites. A wierd delusion abounds, although, that composites may not be appropriate for water-resistance, however this message didn’t attain Casio nor the varied shipbuilders who deploy carbon fibre and different such supplies of their hulls. The underside line on materials properties on the subject of composites is that every materials must be judged by itself deserves.
Having made all these factors and caveats, a watch just like the Hublot Massive Bang Meca-10 Concrete Jungle proves our level that the joy in watch circumstances comes from. We’re notably enamoured with this watch as a result of we mentioned concrete in our composite particular. Whereas Hublot has been plying its concrete craft since 2016, concrete has been making its mark on human civilisation for a whole bunch of years.
For reference, here’s what we wrote in 2023: By many accounts, and no scarcity of arduous proof, the Romans had been terribly profitable with concrete. They weren’t the primary to get to this materials, however their specific recipe is broadly recognised as being closest by way of properties to what we use immediately. This extends to using the fabric to construct jetties and different partially submerged constructions – the Romans had been the primary to make use of a kind of concrete (opus caementicium) that may set underwater, which is a property we take with no consideration immediately.

A number of the ruins are nonetheless with us immediately, and constructions such because the Pantheon in Rome proceed to be public buildings within the twenty first century, alongside different main vacationer points of interest such because the Colosseum. We must always observe right here that concrete additionally demonstrates that composite supplies typically seem in nature as properly, as a result of barnacles secrete a type of natural concrete to bind themselves to substrates.
After all, metals may even stay a sexy possibility within the unique division. We refer right here to metals resembling tantalum, which grace components of the case of the brand new F.P. Journe Chronomètre Furtif, and aluminium, which varieties all the case of the Franck Muller Vanguard Royal Bauxite. Aluminium has additionally been embraced by manufacturers resembling Bvlgari for a few years, so it’s hardly fully novel. We anticipate manufacturers to proceed these efforts, maybe experimenting with one thing daring, every now and then.
This story was first seen as a part of the WOW #79 Summer time 2025 Challenge
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