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Nomos Glashütte Tetra

Most Nomos Glashütte Tetra references take a 18 mm watch strap: 48 of 56. The lug width follows the case size: 30 mm case → 18 mm and 33 mm case → 20 mm.

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Nomos Glashütte Tetra lug width by case size

56 references measured. Updated 2026-10-29.

CaseLug widthReferencesWatch strap attachmentFor example
30 mm18 mm44—406, 408, 413
33 mm20 mm7—421, 421.S1, 421.S2
38 mm17 mm · 18 mm on 12—405.S3
not recorded18 mm3—27-401, 27-DUO-405, Nomos Tetra

References that take a different watch strap

  • 405: 18 mm, not the 17 mm of most 38 mm cases

Questions about the Nomos Glashütte Tetra

Do all Nomos Glashütte Tetra case sizes take the same watch strap?

No. The lug width changes with the case size: the 30 mm case takes 18 mm and the 33 mm case takes 20 mm. Check your case diameter before you buy.

Every Nomos Glashütte Tetra reference

Other Nomos Glashütte families

Inside each one the lug width often changes: it is the reference that decides.

All Nomos Glashütte families → · Why the size changes inside a family →