Nomos Glashütte Ahoi

Most Nomos Glashütte Ahoi references take a 20 mm watch strap: 19 of 28. The lug width follows the case size: 36 mm case → 18 mm, 38 mm case → 20 mm and 40 mm case → 20 mm.

Shop 18 mmShop 20 mm

Nomos Glashütte Ahoi lug width by case size

28 references measured. Updated 2026-10-29.

CaseLug widthReferencesWatch strap attachmentFor example
36 mm18 mm9—560, 560.S1, 561
38 mm20 mm4—516, 517, 526
40 mm20 mm15—547, 548, 550

Questions about the Nomos Glashütte Ahoi

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

No. The lug width changes with the case size: the 36 mm case takes 18 mm and the 40 mm case takes 20 mm. Check your case diameter before you buy.