Glossary · Materials
Salmon Leather
Definition
Salmon leather is an extraordinarily rare exotic skin in watchmaking, sourced from the dorsal scales of the fish. In our atelier, we work it for straps demanding an almost iridescent texture and conscious aging: the scales naturally wear over time, creating a unique patina impossible to replicate. It's not an "easy" leather—it requires vegetable tannins and tanning that respects the original protein structure. Applicability to watch straps is limited: ideal for dress watches up to 36-38mm, never for subs or sports watches. Moisture resistance is solid, but the suede finish characterizing our work requires monthly maintenance. Not CITES-regulated (freshwater fish), yet the availability of quality hides on the market is nearly nonexistent. For collectors who embrace a "living" aesthetic, with natural variability and visible age marks. A tool for personal microhistory rather than mere accessory.
Frequently asked questions
Can I put salmon leather on a Rolex Datejust 36 or Omega Seamaster?
On the Datejust 36, absolutely—it's our natural habitat. The scaly texture dialogues perfectly with the case diameter and classic sobriety. On the Omega Seamaster (preferably dress versions, not divers), yes but with caveats: if you love a strap that ages visibly and don't fear micro-scratches on the scales, proceed. Never on true dive watches or sports chronographs.
Does salmon leather scratch easily? How do I maintain it?
The scales do scratch, yes, but not as you'd think: damage is superficial and historicizes the strap. Each scratch tells a story—a summer, a tense meeting, a journey. Maintenance: soft natural bristle brush once monthly, beeswax-based conditioner quarterly. Don't wash with aggressive water. If a scale lifts, contact us—minor repair in 7 days.
Why is salmon leather never found? What if it's synthetic imitation?
Simple: European tanneries no longer work it—fashion disdains fish leather. We partner with a mini-tannery in Denmark tanning 200-300 hides yearly, period. On synthetics: you'll recognize it within 3 seconds of touch. Authentic salmon breathes, absorbs minimal moisture, has natural hardness in the scale shoulders. Polyurethane is dead, flat, and ages yellow. We don't do it.
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