Glossary · Materials
Karung Snake
Definition
Karung Snake is an exotic leather obtained from the skin of the Karung snake, an Indonesian species protected under CITES Appendix II. At Milano Straps, we work it exclusively from certified suppliers. The natural scale structure creates a unique and inimitable pattern: each strap is a biological signature. Unlike python, Karung offers more regular and finer scales, ensuring superior flexibility in the strap. The leather is incredibly light yet extraordinarily resistant, with a natural patina that evolves over time. We work Karung on sports watches and dress watches from 18 to 22mm—on a Rolex Submariner 40mm the contrast is magnetic, on a vintage Omega Seamaster it gives a visionary presence. The tanning is certified vegetable; maintenance requires awareness: no harsh water, only gentle brushing and specific conditioning every 6-8 months. Karung Snake represents the perfect compromise between exotic and practical.
Frequently asked questions
Can I use a Karung Snake strap in the shower or in water?
No. Although Karung is resistant, fresh water—especially the chlorinated water of the shower—compromises the vegetable tanning. Prolonged moisture promotes mould and discolouration. I recommend removing the strap before any prolonged contact with water. If accidentally wet, dry immediately with a soft cloth and let it air for 24 hours. This is the price of the exotic: awareness.
Which watch best enhances Karung Snake?
Karung shines on watches with a satin steel or gold case—the contrast between the natural scales and the metal is almost hypnotic. I've seen miracles on a Rolex Day-Date 36mm, an IWC Portofino 40mm, a steel Patek Philippe Nautilus, and on a vintage Omega Seamaster. The natural pattern needs a case with personality. On a simple tool watch, Karung risks overwhelming it; on a premium dress piece, it becomes a narrative.
Does Karung Snake change colour over time like other full-grain leathers?
Yes, but differently. Karung develops a deeper, amber patina over the months, especially when exposed to natural light. Unlike other full-grain leathers, however, Karung retains its scales as a signature—it doesn't soften evenly, but each scale darkens individually, creating a three-dimensional effect. After 12-18 months of mindful use, the strap gains an extraordinary visual depth. This is natural evolution, not ageing.
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
The atelier's website: casatimilano.com