Glossary · Materials
Apple Leather
Definition
Apple Leather is a vegetable-tanned leather made from apple waste – yes, the peels themselves. It's not entirely new in tanning, but it's rare to find tanneries working with it seriously for accessories like watch straps. The main characteristic is the natural porosity of the apple's cellulose fiber, which creates an irregular, almost tactile surface with a slight roughness that improves grip on the wrist. The color tends toward warm brown, sometimes with reddish undertones. Technically, it's far more delicate than calf: it has less tensile strength and requires constant care. It's not naturally water-repellent – in fact, it absorbs moisture – so an Apple Leather watch strap is not recommended for sports watches or Dive Watches. Perfect instead for vintage dress watches, formal dress codes, or those who appreciate bio-sourcing ethics. The apple also provides lightness: an Apple Leather strap weighs less than box calf at the same thickness. Still uncommon in my workshops, but interest among conscious collectors is growing.
Frequently asked questions
An Apple Leather watch strap on a Rolex Datejust 36mm – is this a sensible choice?
Yes, actually it's ideal. The Datejust is the dress watch par excellence, and Apple Leather emphasizes this vocation. The lightness is appreciable on slender wrists, and the bio-conscious aesthetic reflects evolved collecting. But I advise the owner: monthly maintenance with vegetable cream, protection from rain, no gym. On an Omega Seamaster, however, I'd discourage it: water exposure would damage it.
How do I distinguish authentic Apple Leather from synthetic leather imitations?
Touch the unfinished edge of the watch strap: authentic Apple Leather shows an irregular fibrous structure, visible even under a microscope. The scent, when you lightly dampen it, is vegetable, almost citrus-like. Synthetic leather smells of plastic even after two years. Moreover, always ask me for a tannery certificate: I work only with verified tanneries, complete transparency.
What is the lifespan of an Apple Leather watch strap compared to Hermès Barenia calf?
Brutal honesty: Barenia lasts 8–12 years with maintenance. Apple Leather, if well cared for, reaches 4–6 years. It's not inferior, it's different: it's a conscious choice of a short lifecycle, high ethical impact, contemporary aesthetic. For an IWC Pilot 18mm, if the watch is a heritage piece, Barenia is an investment. If you want to explore, Apple Leather is a generational gesture.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only