Nomos Glashütte · Tetra

Strap for Tetra Symphony - Immortal Beloved / See-Through 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 diameter30 mm
Reference448
FamilyTetra
MovementNomos Glashütte caliber Alpha hours, minutes, small seconds
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 Tetra 448

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Tetra 448, seen from the bench

The Nomos Glashütte Tetra 448 embodies contemporary German rational design with its 29.50 mm stainless steel square case and manual Alpha calibre movement. Featuring an austere dial, crown positioned at 12 o'clock, and sapphire caseback revealing the movement, this watch reflects Bauhaus philosophy where function determines form. The 18 mm lug width requires a consciously chosen strap to match its minimalist aesthetic and compact proportions.

Frequently asked questions

What is the lug width of the Nomos Glashütte Tetra 448?

The Nomos Glashütte Tetra 448 has a lug width of 18 millimetres. This is a precise measurement and requires a strap specifically manufactured for this width. Always measure the distance between the inner lugs of the case to verify compatibility with any aftermarket strap.

Which type of strap is most suitable for the Nomos Tetra 448?

Given the minimalist design and square stainless steel case, the 448 pairs ideally with vegetable-tanned alligator leather featuring visible grain, or robust vegetable-tanned calf. For versatility, a cotton or silk-blend NATO strap aligns naturally with the rational geometry. Technical rubber completes the functional narrative for those who view it as an instrument.

How do I change the strap on a Nomos Tetra 448?

The process is straightforward: locate the spring bars (the metal elements on the case sides where the strap attaches) and use a spring bar tool to gently lift one end, extracting the old strap. Insert the new strap, align it with the holes, and press the spring bars until they click into place. Work carefully to avoid scratching the case.

Can I use a quality aftermarket strap on a Nomos Glashütte Tetra 448?

Absolutely. Many artisans specialising in luxury straps manufacture 18mm leather straps in vegetable-tanned leather, alligator, and shell cordovan compatible with this model. Ensure the strap respects the proportions of the square case and does not create stress on the lugs. Italian artisanal straps guarantee elevated manufacturing standards.

How long does a leather strap typically last on a watch like the Tetra 448?

A natural leather strap with vegetable tanning, with regular use and proper care (avoiding prolonged humidity, dusting with a soft cloth), typically lasts 3 to 5 years. Durability depends on the leather type: alligator is more resilient than calf. The patina that develops is a desired characteristic, not a defect. Quality artisanal straps age elegantly, developing richer colouration over time.

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