Ostrich Flat: exotic leather with a smooth grain

Flat ostrich adapts beautifully to luxury dress watches like Patek Philippe Calatrava (36-37mm), Omega Seamaster dress (38-40mm), and Rolex Datejust 36mm. The smooth texture works perfectly on IWC Portofino or Longines DolceVita, where subtle natural leather irregularity adds depth without disrupting formal elegance. On sports pieces like Rolex Submariner or Omega Aqua Terra (40-42mm), flat creates refined contrast with the original metal strap. I recommend 18-20mm widths for classic instruments, 20-22mm for modern ones.

The difference is mainly aesthetic and tactile. Traditional ostrich retains quill holes—small natural gaps where feather tufts grew—creating three-dimensional, nearly "dotted" texture. Flat ostrich comes from processed back sections to achieve continuous, smooth surface. Both offer exceptional resistance and longevity, but flat is more stylistically versatile: it visually approaches noble calf while maintaining exotic rarity and robustness. On a strap, flat is less of a "statement" and more refined—perfect for those preferring discreet elegance over marked tactile signature.

Flat ostrich requires hydration awareness. Apply neutral cream conditioner (avoid heavy oils) every 3-4 months, always with gentle movements. Leather must never dry completely: natural moisture is essential to maintain softness and prevent creasing along folds. Avoid prolonged direct sunlight and extreme temperatures. If accidentally wet, dry with soft cloth and air in ventilated space—never near heat sources. With this minimal effort, patina develops magnificently, giving the strap unique personality over time. Leather ages beautifully, just like finest vintage calf.

At Via XX Settembre 15, Milan, every strap begins with an appointment. Bring your watch: leather is chosen together, measurement taken on your watch. To schedule, message on WhatsApp or fill the form. By appointment only.

Flat ostrich lacks the characteristic quill holes of traditional ostrich. Surface is smooth and uniform, with fine grain reminiscent of calf—but with unmistakable exotic character. Available in 18, 20, and 22mm, vegetable tanned.

Traditional ostrich is recognizable by quill holes, gaps left by feather tufts. Flat comes from the bird's back: smooth surface, fine and uniform grain, no texture relief. Exotic character, more discreet appearance. Available from 18 to 22mm.

Yes. Ostrich falls under the CITES convention, which regulates international trade in protected species. Every strap—available in 18, 20, and 22mm—comes with provenance certification. It means purchase is legal, traceable, and documented.

Flat ostrich develops patina with daily use. The smooth surface—available in 18, 20, and 22mm—absorbs natural skin oils and changes tone over time. This is not degradation: the material matures. It requires periodic hydration to maintain grain.