Apple has changed the way the watch is manufactured by producing the Apple Watch case using 3D printing made with recycled aerospace-grade titanium. The change affects the Ultra 3 and Series 11 models and represents a significant step in reducing waste and speeding up certain stages of the production line.
In addition to the environmental aspect, the company assures that the product's usual standards of appearance and durability are maintained. In Spain and the rest of Europe, this new product arrives as part of a broader strategy that seeks use less material without sacrificing design nor the chassis resistance.
What has changed in manufacturing
The key innovation is moving from a subtractive to an additive process: instead of sculpting a block and discarding shavings, the box is built layer by layer with titanium powderThis cuts the raw material used by approximately half compared to traditional forging and machining.
Titanium is a very stable and corrosion-resistant material, but it is complex to process when melted and machined. With 3D printing, Apple obtains parts closer to the final geometry, which reduces CNC cutting time and improves the energy efficiency of the line.
According to product managers and supply chainThe goal was to manufacture millions of identical boxes using recycled metal, meeting very strict tolerances. The result is... less waste and more dimensional control before surface finishing.
In terms of industrial pace, the company speaks of a more agile overall process than the classic forging + CNC route, with improvements of up to 20% in certain sections of the chain and consistent volume yields.
How to print a titanium case
The process begins by atomizing the titanium to obtain a powder with a diameter of about 50 microns, while controlling the oxygen content to avoid unwanted reactions during laser energy input.
Each printer integrates a galvanometer with six lasers operating in parallelThe piece is stacked in more than 900 layers, with approximate thicknesses of 60 microns, until a preform very close to the final shape of the casing is achieved.
After construction, dust removal is carried out in two phases: first by suction and then by ultrasonic agitation to remove residue from corners and internal interlocking spaces. This step is key to clean functional gaps without altering tolerances.
Each unit is separated using electrified wire cutting while coolant is applied to minimize heat. This is followed by an optical inspection system. Check dimensions and appearance before final machining, shot blasting/sandblasting and laser treatments.
The case incorporates a non-metallic zone to allow the passage of radio waves. At this point, Apple injects a structural resin during manufacturing it is attached to the titanium, maintaining wireless communication and the watertightness of the assembly.
Less material, fewer emissions
The switch to the additive method allows us to achieve the same results with the same amount of titanium as before. two cases instead of oneThis year alone, the company estimates savings of over 400 tons of raw titanium.
Using less material and less machining results in lower electricity consumption and emissions. This change aligns with Apple's 2030 plan, which aims to achieve carbon neutrality across the entire footprint, from the supply chain to the product lifecycle.
In addition to saving raw materials, standardizing the process in volume leads to less variability and a more predictable quality path. This sustained control is essential for maintain finishes and tolerances in a product that is used intensively on the wrist.
The technique of texturing internal surfaces using 3D printing—inaccessible in forging—has also allowed for improvements to sealing of the casing In models with cellular connectivity, facilitating the connection between the titanium and the plastic separator for the antenna.
Context for Spain and Europe
Following its launch, availability in Spain and other European markets comes with a chain that, according to the brand, employs renewable electricity in the manufacturing of the Apple Watch. Reducing air shipments and optimizing logistics are also part of the climate roadmap.
The use of 100% recycled titanium and additive manufacturing aligns with EU decarbonization regulations and targets. For European consumers, this innovation means a product with smaller built footprint and a service life covered by resistance and waterproofing standards.
The industrial strategy is not just an experiment: Apple claims that 3D printing has been validated for mass production of cases, with replicable results and controlled in millions of units, ensuring continuity of supply.
Looking to the medium term, the combination of recycled materials, additive processes, and shorter final machining times points to a more efficient production line, with less waste and energy per piece manufactured.
With this transition to 3D-printed chassis, the Apple Watch Ultra 3 and Series 11 reinforce an approach that reduces material, improves sealing details, and maintains finishes; a set of technical decisions that, piece by piece, brings the company closer to its climate and quality goals without changing the essence of the product.
