Nomos Glashütte · Tangente

Strap for Tangente Sport neomatik 42 date marine 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 diameter42 mm
Reference581
FamilyTangente
MovementNomos Glashütte caliber DUW 6101 hours, minutes, small seconds | date
Year2019
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 Tangente 581

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Tangente 581, seen from the bench

The Tangente represents one of the main models of Nomos Glashütte, characterized by the minimalist Bauhaus design. It is equipped with the DUW 6101 caliber with hour, minute, small seconds and date functions. The watch features 20mm lugs and maintains the classic proportions of the Tangente collection.

Frequently asked questions

What is the exact lug width of the Nomos Glashütte Tangente 581?

The lug width of the Tangente 581 is 20mm. This European standard ensures compatibility with a wide range of bespoke straps. To verify, measure the distance between the lugs (the small metal pins connecting case and strap) using a ruler: it must be exactly 20mm.

What type of strap is recommended for the Tangente 581?

For the Tangente 581, we recommend crocodile leather in black or cognac for a formal profile, calf leather in vegetable tanning for versatility and natural patina, or canvas NATO for a robust, sporty approach. The choice depends on daily wear and wardrobe: the aesthetic purity of the Tangente supports sober, minimalist straps.

How do I change the strap on the Nomos Glashütte Tangente 581?

The Tangente 581 uses straight lugs with spring-bar attachments. Using a dedicated tool (available online), gently remove the pins from the lugs, then extract the worn strap. Position the new strap, aligning the lateral holes with the pins, then reinsert the pins until fully locked. Verify that the strap is perfectly secure before wearing the watch.

Can I use an aftermarket strap on the Tangente 581?

Absolutely. Any 20mm strap is compatible with the Tangente 581. We recommend choosing bespoke straps of high quality: the Tangente is a minimalist luxury watch that deserves straps made with noble materials and impeccable craftsmanship. Recognised brands guarantee durability and aesthetic consistency.

How long does a leather strap last on the Tangente 581 with daily wear?

Durability depends on leather quality and intensity of use. A high-quality crocodile or vegetable-tanned calf strap lasts 3–5 years with daily wear. Vegetable tanning develops a natural patina that enhances aesthetics over time. To extend lifespan, avoid prolonged exposure to direct sunlight and excessive humidity. A quality bespoke strap is an investment designed to age beautifully.

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.

Request an appointment →

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