Technical Archive

Nomos Glashütte
Tangente 138— lug 18mm

Nomos Glashütte Tangente 138: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Tangente 38 Datum

Artisanal Note

"This model requires a precise 18mm lug width to preserve the original sartorial balance."

Technical Specifications

Nomos Glashütte 138
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

138

Movement

Nomos Glashütte caliber Beta Hours, Minutes, Small Seconds | Date

The Heritage

Il Nomos Glashütte Tangente 138 rappresenta la quintessenza del design orologiero tedesco: un'affermazione di purismo geometrico e funzionalità costruttiva che affonda le radici nella tradizione Bauhaus. Nato da oltre tre decenni di evoluzione silenzioso e meditativo, il 138 si posiziona come interpretazione definitiva del concetto di „utensile da polso

FAQ

What is the lug width of the Nomos Glashütte Tangente 138?

The Nomos Glashütte Tangente 138 features an <a href="/pages/termine-glossario/misura-ansa">18 mm lug width</a>. This specification allows compatibility with a comprehensive range of artisanal straps, from traditional leathers to modern textiles.

What is the best strap for the Nomos Glashütte Tangente 138?

The ideal strap depends on usage context and aesthetic preference. For formal occasions, black <a href="/pages/termine-glossario/alligatore">alligator</a> leather with gold <a href="/pages/termine-glossario/deployante">deployante</a> clasp ensures understated elegance. For daily wear, brown <a href="/pages/termine-glossario/concia-vegetale">vegetable-tanned</a> calf or grey NATO fabric preserves the dial's neutral aesthetic. For light sports, charcoal or sand-beige FKM rubber balances the case's sober geometry.

How do I change the strap on the Nomos Glashütte Tangente 138?

Remove the spring bars located at the case lugs using a dedicated tool (spring bar tool). Gently lift one end of the bar and slide it laterally. Repeat for both sides, then insert the bars into the new strap and reposition them in the lugs. This is a straightforward, reversible operation requiring no watchmaker intervention.

Is the Nomos Glashütte Tangente 138 compatible with 18 mm aftermarket straps?

Yes, the 138's 18 mm lug width accommodates any artisanal strap of identical width. Premium aftermarket options, such as those from Milano Straps, deliver superior construction, texture variety, and material selection whilst maintaining full mechanical compatibility and warranty protection.

What is the typical lifespan of a leather strap for the Nomos Glashütte Tangente 138?

A high-quality leather strap (calf, <a href="/pages/termine-glossario/shell-cordovan">shell cordovan</a>) with moderate wear lasts 18–36 months before replacement becomes advisable. Longevity depends on sun exposure, humidity, frequency of use, and maintenance (clean regularly with microfibre cloth, avoid moisture accumulation). Rubber or NATO straps offer superior durability, 4–5 years, with minimal maintenance.