Certina DS-8

Most Certina DS-8 references take a 20 mm watch strap: 27 of 62. The lug width follows the case size: 28 mm case → 13 mm, 40 mm case → 20 mm, 41 mm case → 21 mm and 42 mm case → 21 mm.

Shop 16 mm Shop 20 mm Shop 21 mm

Certina DS-8 lug width by case size

62 references measured. Updated 2026-10-29.

Case	Lug width	References	Watch strap attachment	For example
28 mm	13 mm	9	—	C033.051.11.058.00, C033.051.11.118.00, C033.051.11.118.01
31 mm	16 mm	6	—	C045.010.11.051.00, C045.010.11.331.00, C045.010.16.031.00
38 mm	20 mm	5	—	C033.407.11.013.00, C033.407.11.053.00, C033.407.16.013.00
40 mm	20 mm	14	—	C033.451.11.031.00, C033.451.11.041.00, C033.451.11.051.00
41 mm	21 mm · 20 mm on 8	19	—	C033.450.11.031.00, C033.450.11.041.00, C033.450.11.051.00
42 mm	21 mm	9	—	C033.460.11.057.00, C033.460.16.037.00, C033.460.16.047.00

References that take a different watch strap

C033.457.11.051.00: 20 mm, not the 21 mm of most 41 mm cases
C033.457.16.031.00: 20 mm, not the 21 mm of most 41 mm cases
C033.457.16.081.00: 20 mm, not the 21 mm of most 41 mm cases
C033.457.36.051.00: 20 mm, not the 21 mm of most 41 mm cases
C033.807.11.057.00: 20 mm, not the 21 mm of most 41 mm cases
C033.807.26.087.00: 20 mm, not the 21 mm of most 41 mm cases
C033.807.33.057.00: 20 mm, not the 21 mm of most 41 mm cases
C033.807.44.047.00: 20 mm, not the 21 mm of most 41 mm cases

Questions about the Certina DS-8

Do all Certina DS-8 case sizes take the same watch strap?

No. The lug width changes with the case size: the 28 mm case takes 13 mm, the 31 mm case takes 16 mm, the 40 mm case takes 20 mm, the 41 mm case takes 21 mm and the 42 mm case takes 21 mm. Check your case diameter before you buy.