Nomos Glashütte · Tangente

Strap for Tangente Neomatik 39 Red Dot 2019 Commemorative Edition Salmon

Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width19 mm
Case diameter39 mm
Reference140.S3 (aka: Oracle-bone, The Hour Glass)
FamilyTangente
MovementNomos Glashütte caliber DUW 3001 hours, minutes, small seconds
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 140.S3 (aka: Oracle-bone, The Hour Glass)

Selected for the 19 mm lug width · workshop selection

All 19 mm straps →

The Tangente 140.S3 (aka: Oracle-bone, The Hour Glass), seen from the bench

The Tangente represents one of Nomos Glashütte's flagship models, characterized by a minimalist Bauhaus design. It is equipped with the in-house caliber DUW 3001 with hours, minutes, and small seconds indication. The reference 140.S3 features 19mm lugs and was created in collaboration with The Hour Glass.

Frequently asked questions

What is the lug width of the Nomos Glashütte Tangente 140.S3?

The Nomos Glashütte Tangente 140.S3 features a lug width of 19mm. This measurement is specific to the model and determines exclusive compatibility with straps calibrated to this dimension. Lug width is measured by positioning a digital calliper between the inner spring bar pins where the strap attaches to the case.

Which strap is most recommended for the Nomos Glashütte Tangente 140.S3?

The ideal strap depends on intended use and context. For formal wear, dark brown alligator or vegetable-tanned calf leather emphasise the Bauhaus geometry of the case. For daily wear, a grey pearl cotton NATO offers versatility and practicality. For refined sportiness, cognac-coloured shell cordovan provides balanced compromise. FKM rubber with subtle grain texture suits humid environments.

How do you change the strap on a Nomos Glashütte Tangente 140.S3?

Changing the 140.S3 strap requires a spring bar tool (fork-ended implement). Position the watch on a soft cloth with dial facing downward. Insert the tool into the lateral slot of the upper lug to compress the spring-loaded pin, remove the old strap, align the new strap with the pins, and release the tool. Repeat for the lower lug. Steady hand pressure prevents inadvertent scratching.

Which aftermarket straps are compatible with the 140.S3?

All straps with 19mm lug width are compatible with the Tangente 140.S3. Milano Straps provides a specialised 19mm collection: full-grain leather (alligator, calf, shell cordovan), canvas NATO, sporty FKM rubber. Compatibility is guaranteed by standardised measurements; choice depends on aesthetic profile and intended use.

How long does a leather strap last on the Nomos Glashütte Tangente 140.S3?

A quality calf strap, vegetable-tanned, maintains structural integrity for 3–5 years with ordinary maintenance (monthly cleaning, air-drying after moisture exposure). Alligator, more durable, extends longevity to 7–10 years. Shell cordovan, owing to material density, achieves 10+ years of service. Developing patina adds character. Extreme temperatures and acidic perspiration accelerate deterioration; rotating between straps significantly prolongs operational lifespan.

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.

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