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Certina · DS Action

Strap for DS Action 40 Quartz Stainless Steel / Black

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

Lug width

20mm
20 mm strapsAll Certina
Lug width20 mm
Case diameter40 mm
ReferenceC048.410.11.051.00
FamilyDS Action
MovementETA caliber F06.412 hours, minutes, seconds | date
Year2025
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

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Straps for the DS Action C048.410.11.051.00

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The DS Action C048.410.11.051.00, seen from the bench

The Certina DS Action C048.410.11.051.00 combines Swiss reliability heritage with professional tool watch versatility. The 40 mm stainless steel AISI 316L case houses the ETA F06.412 quartz movement (32.768 Hz frequency) and features a black matte dial with luminescent indices, sapphire crystal with anti-reflective coating, and antimagnetic protection. Water resistance reaches 300 meters. The 20 mm lug width is proportioned to the case diameter, ensuring stable strap attachment without excessive bulk. A tactical date window at 3 o'clock adds functionality while maintaining aesthetic balance.

Frequently asked questions

What is the lug width of the Certina DS Action C048.410.11.051.00?

The lug width of the Certina DS Action C048.410.11.051.00 is 20 mm. This dimension is proportionate to the 40 mm case diameter and is measured between the internal spring bar holes from left to right. To verify the measurement, use a digital calliper or consult the Certina documentation provided with the timepiece.

Which strap is best suited for the Certina DS Action C048.410.11.051.00?

The ideal strap depends on intended use: alligator leather offers elegance and evolving patina for formal contexts; vegetable-tanned calf develops unique character over time; polyamide NATO ensures maximum resistance in marine and humid environments; FKM rubber (Viton) assures constant elasticity and chemical resistance for intense professional environments. All 20 mm straps are compatible with this model.

How do I change the strap on the Certina DS Action C048.410.11.051.00?

To change the strap, position the watch case-down on a soft cloth. Use a dedicated spring bar removal tool or small steel lever. Insert the bifurcated tip under the horizontal spring bar, gently apply leverage upward to compress the internal spring, and extract the bar from the lug. Repeat for the second bar. Insert the new bars into the replacement strap and reinsert into the lugs, ensuring the bar clicks correctly into place.

Are aftermarket straps available that are compatible with the C048.410.11.051.00?

Yes, any strap with a 20 mm lug width is compatible with the Certina DS Action C048.410.11.051.00. Milano Straps offers a selection of handcrafted straps in alligator leather, vegetable-tanned calf, polyamide NATO, and FKM rubber. Our straps feature professional finishes and are available with straight or curved lugs, customisable according to aesthetic preferences.

How long does a leather strap last on the Certina DS Action?

The lifespan of a leather strap depends on frequency of use, environmental context, and tanning quality. An alligator or vegetable-tanned calf strap with proper maintenance (regular cleaning, protection from excessive moisture) can last 3–5 years with daily wear, developing characteristic patina. FKM rubber offers superior durability in humid and marine environments, maintaining elasticity for 4–7 years. Polyamide NATO straps resist degradation for 5–10+ years, being synthetic materials.

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