Certina · DS-1

Strap for DS-1 Roman

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

Lug width20 mm
Case diameter39 mm
ReferenceC0064071103801
FamilyDS-1
MovementETA caliber 2824-2 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 C0064071103801

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The DS-1 C0064071103801, seen from the bench

The Certina DS-1 reference C0064071103801 is equipped with the automatic ETA 2824-2 caliber with hour, minute, second, and date indications. The movement provides a power reserve of approximately 38 hours. The DS-1 series is part of Certina's Double Security collection, characterized by high impact resistance and water resistance.

Frequently asked questions

What is the exact lug width of the Certina DS-1 C0064071103801?

The lug width of the Certina DS-1 C0064071103801 is precisely 20mm. This measurement represents the distance between the inner shoulders of the case and determines compatibility with any aftermarket strap. It is essential to verify this specification before purchasing a replacement strap, as straps of different widths will not fit correctly and may damage the case lugs.

What is the best strap for the Certina DS-1 C0064071103801?

The ideal strap choice depends on intended use. For formal and daily wear, we recommend alligator leather in cognac or dark brown tones, which harmonises perfectly with the geometric austerity of the case. For continuous sports use, a high-density rubber strap ensures optimal mechanical performance. A grey charcoal NATO maintains the functional and instrumental character of the piece. At Milano Straps, personalisation is possible according to individual preferences.

How do you change the strap on the Certina DS-1 C0064071103801?

Changing the strap requires a specific tool (spring bar removal tool) to compress the pins (spring bars) that secure the strap to the case lugs. Insert the tool into the space between lug and strap, gently press to remove the pins from their housing, and remove the old strap. Insert the new strap by aligning the holes with the pins, then compress the pins again to secure. If you feel uncertain, it is advisable to consult a professional watchmaker.

Is the Certina DS-1 C0064071103801 compatible with quality aftermarket straps?

Yes, the Certina DS-1 C0064071103801 is fully compatible with quality aftermarket straps, provided they have a 20mm lug width. Milano Straps offers a comprehensive selection of artisanal straps in leather, NATO fabric and rubber, all manufactured to high construction standards and compatible with the DS-1's 20mm lugs. Technical compatibility is guaranteed; the choice rests on material quality and aesthetic coherence.

How long does a leather strap last on the Certina DS-1 C0064071103801?

The lifespan of a leather strap depends on tanning quality, leather density and intensity of use. A vegetable-tanned leather strap, used in non-extreme daily contexts, maintains structural integrity for 3-5 years. Leather tends to thin progressively and may develop micro-fractures near the buckle, an area subject to recurring mechanical stress. Occasional use significantly extends durability. Rubber or NATO textile straps, more resistant to wear, can remain functional for 7-10 years with minimal maintenance.

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