Certina · DS-1

Strap for DS-1 Powermatic 80 40 Stainless Steel / Rose Gold PVD / Silver / Bracelet

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter40 mm
ReferenceC029.807.22.031.00
FamilyDS-1
MovementETA caliber C07.111 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-1 C029.807.22.031.00

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

Frequently asked questions

What is the lug width of the Certina DS-1 C029.807.22.031.00?

The lug width of the Certina DS-1 reference C029.807.22.031.00 is 20 mm. This measurement is taken between the horizontal attachment points of the case, excluding the lugs themselves. The 20 mm standard ensures compatibility with a vast selection of quality aftermarket straps.

What is the best strap for the Certina DS-1 C029.807.22.031.00?

The ideal strap depends on daily usage and personal aesthetic preference. A vegetable-tanned calf leather with fine grain offers subtle elegance and proven durability. For intense sporting use, a vulcanised rubber strap with textured finish provides superior grip and minimal maintenance. Shell cordovan represents the sustainable luxury option, developing natural patina over time.

How do I change the strap on my Certina DS-1?

Strap replacement requires a spring bar tool and steady hands. Position the tool beneath the upper lug, gently pressing downward to disengage the elastic pin. Repeat on the opposite side. Insert the new strap by aligning the lug attachments. If your Certina features a deployant clasp, verify correct mechanism closure. If uncertain, consult a professional watch service.

Are aftermarket 20mm straps compatible with the Certina DS-1 C029.807.22.031.00?

Yes, all straps with 20 mm lug width are compatible with the Certina DS-1 C029.807.22.031.00. We recommend verifying strap thickness at the lug point: models with 3–4 mm thickness ensure comfort and stability. Artisanal quality straps offer superior aesthetic variability compared to mass-produced alternatives.

How long does a natural leather strap last on a Certina DS-1?

Leather strap longevity depends on tannage, daily wear intensity, and maintenance discipline. A vegetable-tanned calf strap typically lasts 2–4 years with moderate daily use. Shell cordovan, owing to superior cellular density, can endure 5–7 years or longer. Conditioning leather every 6–8 months 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.

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