Glossary · Materials
Pony Calfskin - Horse calf watch straps - Milano Straps
Definition
Pony Calfskin is young bovine calf leather characterized by fine, uniform grain and often a subtle natural patina on the surface. Celine uses it to create high-quality leather goods appreciated for immediate softness and aging resistance. Unlike Box Calf, Pony maintains a more delicate dermal structure, making it ideal for watch straps where flexibility is prioritized over structural rigidity. The tanning process typically preserves the natural characteristics of the hide, with a patina developing gradually through use. On a watch strap, Pony Calfskin delivers exceptional comfort from the first wearing without requiring an extended break-in period. Its nature allows natural curvature around the wrist, making it particularly valued for vintage straps or those who prefer "living" leathers that evolve visually. However, it requires greater awareness in maintenance compared to more robust hides.
Frequently asked questions
Can I use a Pony Calfskin strap on a Rolex Datejust 36mm or a vintage Omega Seamaster?
Absolutely. Pony Calfskin, with its immediate softness, is particularly suited to classic watches like the Datejust 36 or vintage Seamaster (18-20mm sizes). The leather's natural flexibility allows comfortable fit without long break-in periods. On a Datejust case, the contrast between steel rigidity and Pony softness creates refined aesthetic balance. For 20-22mm straps, Pony maintains reliable structure, provided the tanning has been carefully managed.
How does Pony Calfskin differ from Box Calf regarding watch straps?
The difference is substantial. Box Calf is stiffer, with pronounced grain and dense structure, ideal for those who want leather that maintains shape over time and resists impact. Pony Calfskin, instead, is softer and more flexible, with finer grain and a "freedom" sensation on the wrist. If you love dress or vintage watches where immediate comfort outweighs structural severity, Pony is superior. Box proves better on sports watches or for those preferring leather that "doesn't change" over time.
Does Pony Calfskin age well? And does it require special maintenance for straps?
Yes, it ages magnificently, developing a golden patina that intensifies the original beauty. Celine's tanning preserves this natural evolution. Maintenance is crucial: avoid prolonged water exposure (unlike Box Calf), dry quickly after moisture contact, and occasionally apply delicate leather oil every 6-8 months. On straps for a Patek Philippe Calatrava 33-35mm, Pony Calfskin is ideal because the lightweight leather doesn't burden the female wrist and natural aging completes the watch's elegance. For IWC Portugieser 7, Pony delivers daily comfort while maintaining sophisticated patina.
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