Glossary · Materials
Vitello Taurillon - Premium Calf Leather - Milano Straps
Definition
Vitello Taurillon is calf leather from young animals, tanned using traditional methods, renowned for its natural softness and uniform fine grain. Louis Vuitton made it iconic in luxury creation. As a watch strap, Taurillon offers extraordinary flexibility: it adapts perfectly to the wrist without stiffening, holds its shape over time, and develops a fascinating patina with use. Vegetable tanning gives it robustness while preserving elasticity, making it ideal for high-end dress and sport watches. Compact fibres allow flawless stitching even at 18mm. The standout feature is the absence of plastic treatments: it breathes, ages nobly, naturally absorbs skin oils. For collectors of Rolex Datejust or Patek Philippe Calatrava, it's the choice of those who understand that a strap is part of the watch, not an accessory.
Frequently asked questions
Is Vitello Taurillon suitable for a Rolex Submariner or IWC Portugieser strap?
Perfect. Its natural flexibility makes it ideal for sport watches: it adapts to wrist movement without stress. At 20-22mm on Submariner it maintains elegant proportions, while on Portugieser (often 18-20mm) it achieves sublime elegance. Vegetable tanning resists moisture better than synthetic leathers, even in marine climates. Only precaution: air-dry after prolonged water exposure.
How does Vitello Taurillon age? Does it develop patina like Hermès Barenia?
Yes, but with different character. While Barenia tends toward warm brown, Taurillon develops more golden and varied tones. The patina is visible after just 6-8 months of daily wear. It's not a stain: it's a stratification of surface oxidation that tells the strap's story. On a vintage Omega Seamaster 18mm, this colour evolution becomes part of its collecting narrative.
What's the difference between Louis Vuitton's Vitello Taurillon and the leather I use for Milano Straps straps?
The base fibre is identical: both come from certified European tanneries using vegetable tannins. The difference is in end uses. LV processes it for maximum rigidity (bags must hold structural form); we work it for maximum strap elasticity. Our made-to-measure Taurillon at 18-22mm stays soft without structural compromise—it's been processed to conform to the wrist, not to contain objects. For a Patek Philippe Aquanaut 40mm at 22mm, this constructive difference is crucial.
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