Nomos Glashütte · Tetra

Strap for Tetra Die Fuchsteufelswilde / Open Case Back

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

Lug width18 mm
Case diameter28 mm
Reference475
FamilyTetra
MovementNomos Glashütte caliber Alpha hours, minutes, small seconds
Year2023
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 Tetra 475

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Tetra 475, seen from the bench

The Nomos Glashütte Tetra 475 is a compact 27.50 mm square watch embodying pure Bauhaus minimalism. It houses the in-house Alpha caliber manual movement with visible rotor through sapphire caseback, displaying Glashütte finishing. The stainless steel case offers 30 meters water resistance with functions limited to hours, minutes, and small seconds. The 18 mm lug width maintains visual harmony with the square proportions and ensures wearability on delicate wrists.

Frequently asked questions

What is the lug width of the Nomos Glashütte Tetra 475?

The Nomos Glashütte Tetra 475 features an 18 mm lug width, a standard dimension widely used in Swiss and German quality watchmaking. This measurement is compatible with most artisanal aftermarket straps. Always verify the exact measurement of your Tetra before ordering a replacement strap to ensure proper fit.

What is the best strap to pair with the Tetra 475?

The ideal strap depends on your intended use and personal aesthetic. For formal settings, an alligator strap in black or dark brown complements the geometric proportions of the case. A vegetable-tanned calf leather works well in professional environments, developing natural patina over time. For versatile, everyday wear, a NATO strap in premium canvas offers practicality and ease of maintenance.

How do I change the strap on my Nomos Glashütte Tetra 475?

The Tetra 475 is fitted with standard, removable spring bars. Use a dedicated spring bar removal tool (available from authorised retailers) to extract the pins by pressing them laterally, then gently remove the old strap. Align the new strap's holes with the case lugs and reinsert the pins until they click into place. Avoid improvised tools that may scratch the case.

Can I use aftermarket straps on the Nomos Glashütte Tetra 475?

Yes, absolutely. The Tetra 475 with its 18 mm lug width is fully compatible with artisanal aftermarket straps. Ensure that the lug width measures 18 mm ± 0.5 mm and that the internal passages provide at least 2.5 mm of clearance to prevent friction during regular wear.

How long does a leather strap last on a watch like the Tetra 475?

A quality artisanal leather strap, particularly vegetable-tanned leather, typically lasts 4–6 years with regular daily use. Alligator straps tend to last 6–8 years thanks to their denser fibre structure. Durability depends on ambient humidity, frequency of wear, periodic cleaning, and buckle type. Vulcanised rubber straps easily exceed 5–7 years without significant degradation.

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