Schwarz Etienne · Roswell

Strap for Roswell Voyage Stainless Steel / Black

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter45 mm
ReferenceWRW20TJ40SS01AA
FamilyRoswell
MovementSchwarz Etienne caliber ISE 100.00 Hours, Minutes, Small Seconds
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

Straps for the Roswell WRW20TJ40SS01AA

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Roswell WRW20TJ40SS01AA, seen from the bench

The Schwarz Etienne Roswell features the in-house ISE 100.00 caliber with hours, minutes and small seconds indications. The movement has the specific technical construction of the Swiss brand. The WRW20TJ40SS01AA reference identifies this version of the model in the brand's collection.

Frequently asked questions

What is the lug width of the Schwarz Etienne Roswell WRW20TJ40SS01AA?

The lug width of the Roswell WRW20TJ40SS01AA is exactly 20mm. This measurement represents the distance between the two lugs on the case and is critical for strap compatibility. Verify it with a digital calliper before purchasing to ensure perfect fit.

What is the best strap for the Schwarz Etienne Roswell WRW20TJ40SS01AA?

The best strap depends on usage and aesthetic preferences. For formal elegance, we recommend alligator with vegetable tanning and natural patina development. For daily versatility, vegetable-tanned calf leather is ideal. For sporty or marine contexts, vulcanised FKM rubber provides practicality and durability. All materials are available in 20mm width.

How do I change the strap on my Roswell WRW20TJ40SS01AA?

Strap replacement requires a spring bar tool to remove the elastic pins securing the strap to the lugs. Gently insert the tool between the lug and strap, push the pin inward, lift the strap, and repeat on the other side. Install the new strap by reversing the procedure. If unsure, consult a professional watchmaker.

Can I use an aftermarket-compatible strap on my Schwarz Etienne Roswell?

Yes, absolutely. Any strap with a 20mm lug width is compatible with the Roswell WRW20TJ40SS01AA. Quality artisanal aftermarket straps (leather, NATO, rubber) maintain the same technical standards as original straps, often offering greater aesthetic variety and customisation.

How long does a leather strap last on the Roswell WRW20TJ40SS01AA?

Durability depends on material and usage. An alligator strap with vegetable tanning lasts 4–8 years with regular maintenance (gentle cleaning, drying, annual conditioning). Calf leather may last 3–6 years. Rubber resists degradation for 5–10 years. Daily use accelerates wear; alternating straps extends lifespan significantly.

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