Nomos Glashütte · Ludwig

Strap for Ludwig Neomatik 41 Date 175 Years Watchmaking Glashütte

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter41 mm
Reference261.S1
FamilyLudwig
MovementNomos Glashütte caliber DUW 6101 hours, minutes, small seconds | date
Year2020
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 Ludwig 261.S1

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Ludwig 261.S1, seen from the bench

The Nomos Glashütte Ludwig 261.S1 embodies Bauhaus design principles applied to watchmaking, with a 40.50 mm stainless steel case and caliber DUW 6101 movement offering hours, minutes, small seconds, and date display. The 18 mm lug width ensures proper proportions and strap compatibility, defining the watch's entire ecosystem. Engineered in Glashütte, Saxony, this instrument prioritizes functional logic over decorative elements.

Frequently asked questions

What is the lug width of the Nomos Glashütte Ludwig 261.S1?

The Nomos Glashütte Ludwig 261.S1 features a lug width of 18 millimetres. This specification is critical when sourcing compatible aftermarket straps. Lug width—technically the distance between the two lugs (anse) where the strap attaches to the case—must match precisely to ensure a secure and properly proportioned fit.

What type of strap is most suitable for the Nomos Ludwig 261.S1?

Given the Ludwig's rigorously minimalist design language, structured leather straps represent the most harmonious choice. An alligator or vegetable-tanned calf leather strap preserves the watch's aesthetic equilibrium and German heritage. Alternatively, technical NATO straps in canvas offer contemporary versatility without compromising the original design intent. Avoid excessively coloured or patterned rubber options.

How do I change the strap on my Nomos Ludwig 261.S1?

Strap replacement requires a spring bar tool, necessary to compress the internal springs (spring bars) that secure the strap to the lugs. Stabilise the watch, insert the tool into the notch on the lug, gently push the spring, and slide the strap outward. Repeat for both sides. The procedure is straightforward but demands care and precision; if uncertain, consult a professional service.

Can I use aftermarket straps on a Nomos Ludwig 261.S1?

Yes, absolutely. The Nomos Ludwig 261.S1 employs industry-standard connections, so any strap with an 18mm lug width is technically compatible. The recommendation is to select straps crafted with attention to detail and constructed from premium materials, ensuring the watch's technical excellence is not compromised. Milan Straps are specifically engineered to this dimensional standard.

How long does a leather strap last before replacement?

A quality leather strap, subject to normal wear and proper maintenance, typically lasts between 2 and 5 years. Durability depends on frequency of use, climate conditions (heat and humidity accelerate ageing), cleaning frequency, and tanning method. Vegetable-tanned leather develops a natural patina over time, improving its appearance. Significant cracking or delamination of the lining indicates replacement is necessary.

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