Nomos Glashütte · Tangente

Strap for Tangente Sport Japan Limited Black

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

Lug width18 mm
Case diameter37 mm
Reference501.JPB
FamilyTangente
MovementNomos Glashütte caliber Alpha hours, minutes, small seconds
Year2021
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 501.JPB

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Tangente 501.JPB, seen from the bench

The Tangente represents one of the core models of the Nomos Glashütte manufacture, characterized by the minimalist Bauhaus design. It features the Alpha manufacture caliber with indication of hours, minutes and small seconds. The case has 18mm lugs and the essential lines typical of the German design school.

Frequently asked questions

What is the lug width of the Nomos Glashütte Tangente 501.JPB?

The Nomos Glashütte Tangente 501.JPB features a lug width of 18 mm. This is the distance between the two spring bar holes that hold the strap. Eighteen millimetres is one of the most common standard sizes in the aftermarket strap market, providing an extensive range of options in leather, NATO, and rubber materials.

Which strap best suits the Nomos Glashütte Tangente 501.JPB?

For the Tangente 501.JPB, we recommend straps that respect the minimalist Bauhaus aesthetic of the case. Alligator with vegetable tanning in dark brown or aged veal leather are formal choices; a cotton NATO offers sporty practicality; natural vulcanised rubber represents the ideal compromise between elegance and maintenance. Your choice depends on intended use and personal colour preferences.

How do you change the strap on a Nomos Glashütte Tangente 501.JPB?

The strap is changed by removing the two spring bars that support it. Use a spring bar tool or a fine blade to compress the spring and withdraw the bar from the lug. Once you have removed the old strap, insert the spring bars into the new strap, ensuring that the spring clicks into position. This procedure takes 2-3 minutes of practice and does not damage the case.

Can I use an aftermarket strap on my Nomos Glashütte Tangente 501.JPB?

Yes, completely compatible. The Tangente 501.JPB uses standard 18 mm lugs, a very common size. It is important to verify that the thickness of the strap near the lug does not exceed 4 mm to ensure proper seating in the case. Milanostraps offers a wide selection of artisanal 18 mm straps tested for compatibility with classic models such as the Tangente.

What is the average lifespan of a leather strap on a Nomos Glashütte Tangente 501.JPB?

A quality leather strap with vegetable tanning, worn daily on the Tangente 501.JPB, maintains its functional characteristics (buckle and spring bars) for 3-5 years. The leather develops a natural patina that many collectors appreciate as a testament to use. Natural vulcanised rubber straps last up to 7-10 years if kept clean. Certified cotton NATO straps have a lifespan exceeding 5-10 years without significant deterioration.

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