Certina · DS Prime

Strap for DS Prime Lady Black

Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width16 mm
Case diameter32 mm
ReferenceC0042101605600
FamilyDS Prime
MovementETA caliber F05.111 hours, minutes, seconds | date
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 C0042101605600

Selected for the 16 mm lug width · workshop selection

All 16 mm straps →

The DS Prime C0042101605600, seen from the bench

The Certina DS Prime is powered by the ETA F05.111 quartz caliber with hours, minutes, seconds and date indication. The case features 16mm lugs for the strap. The model belongs to the DS collection of the Swiss manufacturer specialized in sports watches.

Frequently asked questions

What is the exact lug width of the Certina DS Prime C0042101605600?

The Certina DS Prime C0042101605600 features a 16mm lug width. This dimension is determined by the 32mm case diameter and is the critical specification for purchasing compatible straps. Always verify the measurement before ordering by using a digital calliper positioned between the two lateral lugs of the case.

Which strap do you recommend for the Certina DS Prime C0042101605600?

For the C0042101605600, we recommend an authentic alligator strap or vegetable-tanned calf leather, which enhance the sophistication of the case. For daily practicality, a Cordura NATO or sports rubber strap provides versatility without aesthetic compromise. Your choice depends on usage: formal, casual sportive, or work-life balance.

How do you change the strap on the Certina DS Prime C0042101605600?

Strap replacement requires a spring bar tool. Position the tool tip under the lug shoulder, press gently downward to release the spring pin, then extract the lug from the case. Insert the new strap by aligning the holes and ensuring the pin clicks securely into place. If inexperienced, consult a professional watchmaker or visit Casati Milano by appointment.

Is an aftermarket strap compatible with the Certina DS Prime C0042101605600?

Yes, any 16mm strap is compatible with the C0042101605600, provided it meets the correct specifications. Milano Straps offers bespoke artisanal straps in this lug width. Ensure the strap is marked 16mm and that material quality (leather, buckle, keeper bars) matches your case standards.

How long does a natural leather strap last on the Certina DS Prime C0042101605600?

A quality leather strap, treated with vegetable tanning, typically lasts 3–5 years with daily wear, developing a natural patina that increases its character. Longevity depends on humidity exposure, perfumes, detergents, and rotation frequency. Periodic maintenance—gentle cleaning and occasional conditioning—significantly extends strap lifespan.

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