Zenith Academy

Most Zenith Academy references take a 20 mm watch strap: 7 of 10.

Shop 18 mmShop 20 mm

Zenith Academy lug width by case size

10 references measured. Updated 2026-10-29.

CaseLug widthReferencesWatch strap attachmentFor example
45 mm20 mm · 18 mm on 310—18.2210.4810/01.C713, 18.2211.8804/91.C713, 18.2213.8804/55.C713

References that take a different watch strap

Questions about the Zenith Academy

Can two Zenith Academy watches with a 45 mm case take different watch straps?

Yes. Of the 10 Zenith Academy references with a 45 mm case, 7 take 20 mm and 3 take 18 mm. The reference number decides, not the case size alone.