Zenith · Defy

Strap for Defy El Primero 21 Titanium / Skeleton / Rubber

Takes 23 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width23 mm
Case diameter44 mm
Reference95.9000.9004/78.R782
FamilyDefy
MovementZenith caliber El Primero 9004 hours, minutes, small seconds | Chronograph | chronometer, power reserve indicator
Year2017
CaseTitanium

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Defy 95.9000.9004/78.R782, seen from the bench

The Zenith Defy reference 95.9000.9004/78.R782 is equipped with the automatic El Primero 9004 caliber with chronograph functions, small seconds, and power reserve indicator. The movement is chronometer certified and provides hour, minute, and chronograph indications. The watch features 23mm lugs for the strap.

Frequently asked questions

What is the lug width of the Zenith Defy 95.9000.9004/78.R782?

The lug width of the Zenith Defy 95.9000.9004/78.R782 is 23mm. This dimension is specific to the 44mm Defy models and is determined by the constructive proportions of the titanium case. Measuring lug width is straightforward: position a digital calliper between the two lugs of the case at the spring bar holes. Milano Straps offers a dedicated collection of 23mm straps for this model.

Which strap is best for the Zenith Defy 95.9000.9004/78.R782?

There is no single 'best' strap in absolute terms, but rather a choice coherent with the watch's identity. For the Defy we recommend: black alligator for contemporary elegance, vegetable-tanned calf for a patina that evolves over time, Cordura NATO in canvas for pure sportive aesthetics, FKM rubber for total constructive coherence. The choice depends on context of use and personal aesthetic narrative. All straps must respect the 23mm lug width.

How do you change the strap on the Zenith Defy 95.9000.9004/78.R782?

Changing the strap is a straightforward operation: you will need a dedicated tool (spring bar tool) to extract the pins from the case. Position the tool's end in the micro-hole of the pin, push upward and the pin will exit its seat. Remove the worn strap, insert the new one (ensuring the lug width is exactly 23mm) and reinsert the pin. The operation requires no specific watchmaking skills. Casati Milano provides WhatsApp support in case of doubt.

Which aftermarket straps are compatible with this model?

All straps with a 23mm lug width are compatible with the Defy 95.9000.9004/78.R782. Milano Straps offers a curated selection of artisanal 23mm straps in alligator, calf, shell cordovan, vegetable-tanned leather, NATO and FKM rubber. The online collection is directly accessible from the dedicated 23mm strap page. Straps are customisable in length, additional holes and stitching details.

How long does a leather strap last on the Defy 95.9000.9004/78.R782?

The lifespan of a leather strap depends on material, stitching and usage. A high-quality artisanal alligator or calf, such as those from Milano Straps, can last 3–5 years with daily wear, up to 7–10 years with rotation with other straps. Vegetable tanning develops a patina that extends its aesthetic appeal. Stitching in linen or organic cotton is the critical point: that of Casati Milano, with 18-month warranty, is executed with traditional techniques. Excessive humidity reduces durability; periodic cleaning with a dry cloth preserves it.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only