Cinturino Apple Watch in bio gomma grigio biodegradabile — Milano Straps

Apple Watch Classic Strap – Grey Bio Rubber

Stainless Steel / SMALL (38 mm – 40 mm – 41 mm)
€45,00
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Cinturino Apple Watch in bio gomma grigio biodegradabile — Milano Straps

Apple Watch Classic Strap – Grey Bio Rubber

€45,00
4.7 Customers rate us 4.7/5 based on 750 reviews.

SKU: RB-701-GYRE-ST-1

Strap measurements
12h side 75 mm 6h side 115 mm
Buckle Color
Apple Watch Case Size
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Free shipping Italy 24/48h delivery
30-day return Free from Italy only
Atelier since 1984 Milan
Handmade in Italy Selected leathers

Not all rubber is created equal. This one is 100% biodegradable: the same resistance as a traditional elastomer, with a radically different environmental impact. A technical choice even before an aesthetic one.

The grey chosen for this version does not seek visibility. It complements the Apple Watch without overpowering it, with a sober presence that works just as well on the wrist during a run as it does at the dinner table. The colouring is achieved with pigments compatible with the biodegradable nature of the material — so slight variations from the images are an intrinsic part of the process, not a defect.

The lug is designed to integrate directly with the original Apple Watch pins: no adapters, no modifications. You attach it and forget about it — until you want to change it.

Worn all day, the bio-rubber yields just enough to the wrist without losing its shape. It doesn't absorb sweat, doesn't stiffen in the cold, and doesn't degrade in the sun as quickly as leather. It's a material designed to be used, not stored.

Technical specifications:

  • Material: 100% biodegradable bio-rubber
  • Colour: Grey
  • Compatibility: Apple Watch (direct attachment, native integration)
  • Usage: All-day, resistant to sweat and humidity
  • Colour note: Slight colour variations compared to images are possible due to the nature of the material
Estimated shipping in 2-3 business days

Estimated shipping times: 2-3 business days (Italy), 7-9 days (European market), 15-21 days (international market).

SHIPPING & RETURNS

We are committed to preparing and shipping every order as quickly as possible, working carefully to ensure your items are on their way to you as soon as possible. Need to make a return? Contact us.

The next step

The right strap isn’t chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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By appointment only · Milan

The joy of little things

Changing your strap should be as simple as changing your shoes. With us, it is.

Every strap has integrated quick-release spring bars: swap it in one gesture, no tools, no risk of scratching the lugs. The same watch shifts mood with the moment.

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Frequently Asked Questions

If I wear it daily between the gym and the office, does the rubber really hold up or does it start to fail after a few months?

Bio rubber has the same resistance as a traditional elastomer. The difference is that it’s 100% biodegradable, not that it’s more fragile. It yields at the wrist enough to stay comfortable without losing shape — it’s designed for daily use, sweat included. It doesn’t stiffen in cold, it doesn’t degrade rapidly in the sun the way leather would. It’s a material made to be actually used, not stored in a drawer.

Is this grey always the same or do the tones vary from one strap to another?

Slight chromatic variations compared to images are intrinsic to the coloring process. We use pigments compatible with the material’s biodegradable nature, and this means each strap has slightly different shades. It’s not a defect — it’s a consequence of the technical choice we made on composition.

Do I need a special adapter or a watchmaker to install it on my Apple Watch?

No. The attachment is designed to integrate directly with the original Apple Watch pins. It mounts and you forget about it — until you decide to change it. No adapter, no modifications.

Unlike a leather strap, what happens to this one with sweat and humidity? Do the colors get damaged?

It doesn’t absorb sweat and doesn’t degrade in the sun with the speed of leather. It was chosen precisely because it handles humidity without issues. The color variations you see depend on the nature of the material and pigments, not on wear or exposure.

100% biodegradable sounds good, but does it really make a difference compared to a normal elastomer?

Yes, it’s a technical choice before it’s an aesthetic one. Same resistance, same comfort, same durability in daily use — but the environmental impact is radically different. If compatibility between performance and material nature matters to you, the difference is substantial.