Certina · DS Prime

Strap for DS Prime Chronograph Brown

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter39 mm
ReferenceC0042171629600
FamilyDS Prime
MovementETA caliber G10.211 hours, minutes, small seconds | date | Chronograph, Rattrapante
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the DS Prime C0042171629600

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The DS Prime C0042171629600, seen from the bench

The Certina DS Prime reference C0042171629600 is powered by the ETA G10.211 caliber with functions of hours, minutes, small seconds, date and split-seconds chronograph. The movement offers the complication of the double chronograph for the measurement of intermediate times. Case with 18mm lugs for the strap.

Frequently asked questions

What is the lug width of the Certina DS Prime C0042171629600?

The Certina DS Prime C0042171629600 features an 18 mm lug width, a non-standard measurement in mainstream retail. To verify, remove the original strap and measure the internal distance between the case lugs using a digital calliper.

Which strap is recommended for the Certina DS Prime?

We recommend alligator niloticus for formal wear, vegetable-tanned calf for those desiring natural patina development, polyamide NATO for sporting contexts, and high-resilience rubber for marine environments. Selection depends on usage and aesthetic preference.

How do I change the strap on the DS Prime C0042111629600?

Remove the spring bars using a dedicated spring bar tool, extract the metal pin from the lateral case holes, and insert the new strap's lug into place. Ensure spring bars are fully secured to prevent loss during removal.

Does the Certina DS Prime accept aftermarket 18 mm straps?

Yes, any strap with 18 mm lug width is compatible. Verify that the actual width measures 18 mm between the attachment points. 20 mm straps will not insert correctly into the case lugs.

How long does a leather strap last on the DS Prime?

A high-quality vegetable-tanned calf strap lasts 3-5 years with daily wear, developing natural patina. Alligator straps offer superior durability, lasting 7-8 years. Rubber resists 4-6 years before losing resilience. Longevity depends on exposure to humidity, perspiration, and UV radiation.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only