Certina DS-7

Most Certina DS-7 references take a 10 mm watch strap: 17 of 21. The lug width follows the case size: 39 mm case → 10 mm, 41 mm case → 10 mm and 42 mm case → 10.5 mm.

Certina DS-7 lug width by case size

21 references measured. Updated 2026-10-29.

CaseLug widthReferencesWatch strap attachmentFor example
39 mm10 mm12—C043.407.11.351.00, C043.407.22.031.00, C043.407.22.061.00
41 mm10 mm5—C043.417.22.031.00, C043.417.22.051.00, C043.417.38.081.00
42 mm10.5 mm4—C043.427.11.041.00, C043.427.11.091.00, C043.427.21.051.00

Every Certina DS-7 reference