Glossary · Materials
Paper Calfskin - Milano Straps
Definition
Paper Calfskin is an exceptionally thin, calmied calf leather distinguished by a smooth, matte surface reminiscent of heavy paper—hence the name. Bottega Veneta has championed this material for years across its iconic collections, and it translates beautifully to watch straps: offering a rarefied, almost austere aesthetic that belies its suppleness. Technically, it's a vegetable-tanned calf that maintains remarkable flexibility despite its reduced thickness, making it ideal for minimalist, elegant dress watch straps. The grain is nearly invisible, positioning it as the perfect companion for a Patek Philippe Calatrava 36mm or a vintage Omega Seamaster dress. This is not a patinated calf—the 'paper' here is an aesthetic concept, not a surface treatment. Maintenance is straightforward—avoid prolonged direct sunlight to preserve color integrity—yet durability is exceptional when handled with awareness.
Frequently asked questions
Why does Bottega Veneta choose Paper Calfskin for watch straps?
Paper Calfskin embodies Bottega Veneta's philosophy: minimalism and craftsmanship. For a watch strap, it means total absence of embellishment—no logos, no ostentatious stitching. The matte, paper-like surface creates a visual quietude that allows the watch case itself to speak. It's the choice of someone who knows their timepiece and feels no compulsion to broadcast it. On a Rolex Datejust 36mm in white gold, for instance, it delivers an understated elegance that an integrated bracelet simply cannot match.
Is it suitable for sports watches or only dress watches?
Paper Calfskin remains fundamentally dress-oriented. Its ultra-thin gauge—approximately 0.8–1.0mm—makes it vulnerable to direct impacts or sustained abrasion. On an IWC Pilot's Watch Chronograph or a Rolex Submariner 40mm, it would suffer. That said, a collector rotating multiple timepieces can certainly rotate straps: Paper Calfskin for the Calatrava 38mm worn to lunch, steel for the Submariner on weekends. The point: it's not a strap for daily manual labor, but rather for 'daily wear' in an office setting.
How do you maintain a Paper Calfskin strap over time?
Extreme simplicity. Protect it from direct sunlight—this matte leather does not age gracefully under prolonged UV and will fade. Moderate humidity is acceptable (it's not mold-prone like Horween), but avoid baths and showers. If soiled, pass a very lightly dampened microfiber cloth; never scrub. Once yearly, gentle conditioning with silicone-free natural cream extends its life. On 18–20mm dress watch sizes, Paper Calfskin can last 8–12 years of regular wear. It won't develop dramatic patina like Hermès Barenia, but it will acquire a fascinating texture, almost like beautifully aged paper.
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