Schwarz Etienne · Roswell

Strap for Roswell 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
ReferenceWRW20TJ01SS01AA
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 WRW20TJ01SS01AA

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Roswell WRW20TJ01SS01AA, seen from the bench

The Schwarz Etienne Roswell Stainless Steel is a 45mm manual mechanical watch powered by the ISE 100.00 caliber, featuring a lug-to-lug width of 20mm and a case constructed in stainless steel. This contemporary haute horlogerie model presents a cohesive visual architecture where the case geometry, proportions, and bezel positioning form an integrated design ecosystem. The 20mm lug width is a specific parameter of the Roswell's geometry that requires compatible aftermarket straps of controlled thickness between 1.4mm and 1.8mm for optimal visual integration.

Frequently asked questions

What is the lug width of the Schwarz Etienne Roswell WRW20TJ01SS01AA?

The lug width is 20mm. This measurement is specific to the Roswell case geometry and is critical when selecting an aftermarket strap. To verify, measure the distance between the two lug shoulders using a digital calliper.

Which strap pairs best with the Schwarz Etienne Roswell WRW20TJ01SS01AA?

Black alligator leather offers the most natural luxury solution, creating elegant contrast with the brushed stainless steel. For daily wear, vegetable-tanned calf leather ensures patina that improves over time. Synthetic rubber is ideal for sportive contexts, whilst NATO straps suit casual settings.

How do you change the strap on a Schwarz Etienne Roswell?

The strap is secured to the lugs via removable spring bars (lugs pins). Use a dedicated spring bar tool or a fine instrument to gently remove the pins from the lateral holes in the case. Align the new strap precisely, then reintroduce the pins with even pressure.

Is an aftermarket strap compatible with the Schwarz Etienne Roswell WRW20TJ01SS01AA?

Yes, any 20mm lug width strap is compatible, provided the thickness falls between 1.4mm and 1.8mm to preserve the case proportions. Shell cordovan is discouraged, as its vintage texture conflicts with the design's contemporary formal purity.

What is the expected lifespan of a leather strap on the Roswell?

A high-quality leather strap (alligator or vegetable-tanned calf) typically lasts 3–5 years with daily use. Durability depends on humidity, frequency of wear, and maintenance (regular cleaning, proper drying). The patina that develops is integral to the aesthetic; minor surface creases are normal and add character.

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