Certina · DS-4

Strap for DS 4 Titanium

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

Lug width20 mm
Case diameter38 mm
ReferenceC0224104408000
FamilyDS-4
MovementETA caliber E64.111 hours, minutes, seconds | date
CaseTitanium

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-4 C0224104408000

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The DS-4 C0224104408000, seen from the bench

The Certina DS-4 Titanium model C0224104408000 features a 38mm titanium case with ETA E64.111 automatic movement including date function. Water resistant to 10 ATM (100m), suitable for swimming and snorkeling. The 20mm lug width accommodates wrists from 16 to 20cm, combining sportive heritage with understated design for daily wear.

Frequently asked questions

What is the lug width of the Certina DS-4 C0224104408000?

The Certina DS-4 C0224104408000 features a lug width of precisely 20mm. This measurement is critical when selecting an aftermarket strap: a 20mm strap seats flush between the lugs with zero lateral play, ensuring visual harmony and optimal functionality. Always verify that your strap's keeper width accommodates your case's internal lug dimension.

Which strap type pairs best with the titanium DS-4?

Titanium on the DS-4 demands straps with pronounced texture and natural patina development. We recommend vegetable-tanned leather with visible grain for aesthetic contrast, or vulcanised rubber if you prioritise technical versatility and moisture resistance. Avoid overly polished or plastic-coated materials: grey titanium requires straps that evolve over time, creating visual dialogue with the case.

How do you change the strap on a Certina DS-4?

Extract the spring bars using a dedicated spring bar tool. Apply gentle downward pressure: the spring tension will yield, freeing the strap. Insert your new strap (confirming that its keepers are compatible with 20mm width) and reseat the spring bar until it clicks into position. Never force: the bar should snap home under its own spring mechanism.

Is a 20mm aftermarket strap compatible with the Certina DS-4 C0224104408000?

Yes, any 20mm strap with standard keeper width (internal 20mm) mounts directly onto the C0224104408000 without modification. MilanoStraps offers vegetable-tanned leather, NATO, and technical rubber straps, all tested for dimensional compatibility. Verify that keeper thickness does not exceed the clearance between lug and case tube (typically 2–2.5mm tolerance).

What is the lifespan of a vegetable-tanned leather strap on a daily-wear watch?

A handcrafted vegetable-tanned leather strap under daily wear (8–10 hours) maintains structural integrity for 18–24 months. Exposure to perspiration, humidity, and UV light accelerates ageing. Patina and mild fibre oxidation are natural evolution processes, not degradation. Recommendation: rotate 2–3 straps and dry promptly after intense perspiration.

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