Strap for Defy El Primero 21 Titanium / Silver Panda / Rubber

The lug width of the Zenith Defy 95.9001.9004/01.R782 is 23 mm. This is a non-standardised dimension specific to this model, determined by the faceted architecture of the titanium case. The lug width is measured from the inner edge of one lug to the other, and is essential to ensure perfect strap compatibility without vertical play at the attachments.

For the Zenith Defy, alligator is recommended for its natural grain that dialogues with the metallic geometry of the case, or shell cordovan, which develops an extraordinary patina over time. Alternatively, vegetable-tanned calf leather offers lightness and breathability ideal for daily wear. Casati Milano creates bespoke straps, allowing you to choose the leather according to your personal style and intended use.

Changing the strap on the Defy 95.9001.9004/01.R782 requires a spring bar removal tool. Insert the flat blade into the opening beneath the lug, gently lift the spring bar, and the strap disengages. Repeat on the opposite lug. To install the new strap, align the holes and reinsert the spring bars until fully secured. If you are unfamiliar with the process, the Casati Milano atelier can perform the change free of charge.

Yes, the Defy is compatible with any 23 mm strap made with standard lugs. However, the specificity of the size makes construction quality crucial: not all manufacturers maintain 23 mm in their catalogue with the necessary precision. Choosing straps from specialised artisans like Milano Straps ensures correct manufacturing tolerances and longevity.

Durability depends on the material and usage. High-quality alligator or shell cordovan, worn daily, resists 3-5 years before significant wear appears. Vegetable-tanned calf has similar lifespan but requires greater maintenance in very humid environments. FKM rubber has superior durability (5-7 years) in sporting applications. Casati Milano guarantees 18 months on straps, with the possibility of leather regeneration via specialised professionals.