Technical Archive

Certina
DS Action C032.429.11.051.00— lug 20mm

Certina DS Action C032.429.11.051.00: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

DS Action GMT Powermatic 80 Stainless Steel / Black / Bracelet

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Certina C032.429.11.051.00
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

C032.429.11.051.00

Movement

ETA caliber C07.661 Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable) | Date

The Heritage

The Certina DS Action is equipped with the ETA C07.661 caliber with hour, minute, second and adjustable GMT hand functions, complemented by a date indicator. The movement offers the possibility to set a second time zone through the 24-hour hand. The reference C032.429.11.051.00 is part of the DS collection characterized by high resistance to shocks and water.

FAQ

What is the lug width of the Certina DS Action C032.429.11.051.00?

The lug width of the Certina DS Action C032.429.11.051.00 is 20mm. This measurement is taken between the two lateral attachment points on the case and is essential for selecting compatible straps. Do not confuse lug width with strap thickness: 20mm is the width, whilst the ideal thickness for this model ranges between 3.8 and 4.2mm to maintain optimal proportions.

Which strap is most suitable for the Certina DS Action C032.429.11.051.00?

The most suitable strap depends on intended use. For formal and urban contexts, an alligator strap in brown or black with vegetable tanning enhances the instrumental authority of the watch. For sports and daily wear, a cotton NATO offers practicality and durability. For aquatic environments, FKM rubber or neoprene guarantee resistance and grip. Calf leather represents the ideal compromise between elegance and versatility.

How do you change the strap on a Certina DS Action C032.429.11.051.00?

Strap replacement requires opening the lateral lugs by releasing the spring bar fasteners. Position the watch on a stable surface, use a dedicated tool (spring bar tool or fine-pointed instrument) to compress the internal spring of the pin, then gently extract the pin from the lug. Once one side is disengaged, remove the worn strap and insert the new one, aligning the lug holes. Reinsert the spring bar by compressing the spring until fully seated.

Is an aftermarket 20mm strap compatible with the Certina DS Action C032.429.11.051.00?

Yes, any strap with a 20mm lug width is compatible. However, mechanical compatibility (width) does not guarantee aesthetic harmony. Verify that the strap thickness does not exceed 4.5mm, otherwise the passant may prove too rigid. Ensure that the buckle or closure system is proportionate to the case and that the total length aligns with your wrist circumference.

How long does a leather strap last on a Certina DS Action C032.429.11.051.00?

Longevity depends on leather quality, tanning method and daily use. An alligator strap with vegetable tanning, subjected to regular use without prolonged exposure to fresh water, maintains functionality and integrity for 3 to 5 years. Calf leather tends to age more rapidly, between 2 and 4 years. Rubber or NATO straps have similar lifespan, 4–6 years, but natural material absorbs moisture and develops patina over time, whilst synthetics remain unaltered in appearance. Regular maintenance (drying after humidity exposure, occasional conditioning) significantly extends longevity.