Certina DS Spel

Most Certina DS Spel references take a 10.5 mm watch strap: 9 of 24. The lug width follows the case size: 30 mm case → 10.5 mm, 39 mm case → 14 mm and 41 mm case → 15 mm.

Shop 18 mmShop 20 mm

Certina DS Spel lug width by case size

24 references measured. Updated 2026-10-29.

CaseLug widthReferencesWatch strap attachmentFor example
30 mm10.5 mm · 11 mm on 211—C0122091105700, C0122091111600, C0122092211600
39 mm14 mm4—C0124101103700, C0124101105700, C0124102103700
41 mm15 mm4—C0124171103700, C0124171105700, C0124172103700
not recorded20 mm · 18 mm on 25—C0121091105100, C0121093303100, C0121096111100

References that take a different watch strap