Technical Archive

Certina
DS C0264071608701— lug 20mm

Certina DS C0264071608701: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

DS Powermatic 80

Artisanal Note

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

Technical Specifications

Certina C0264071608701
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

C0264071608701

Movement

ETA caliber C07.111 Hours, Minutes, Seconds | Date

The Heritage

The Certina DS C0264071608701 is a 40mm stainless steel watch with a 20mm lug width, representing the modern evolution of the Double Security concept introduced in 1959. It features an ETA caliber C07.111 movement with 28,800 oscillations per second, 42-hour power reserve, and date display at 3 o'clock. This tool watch combines robust construction with daily wearability, maintaining the exploration heritage while offering contemporary refinement and Swiss quality standards.

FAQ

What is the lug width of the Certina DS C0264071608701?

The Certina DS C0264071608701 features a lug width of 20mm, a standard measurement for watches with a 40mm case diameter. This dimension should be verified using a digital calliper, measuring internally between the two lug attachment points on the case, to ensure perfect compatibility with a replacement strap.

Which strap material is most suitable for this Certina model?

For the Certina DS C0264071608701 we recommend three primary options: alligator or vegetable-tanned calf for a classically elegant approach with natural ageing; NATO in cordura for robust technical and daily use; natural vulcanised rubber if you intend to use it in humid or high-stress environments. Your choice depends on your primary usage pattern and desired aesthetic patina.

How do I change the strap on the Certina DS C0264071608701?

Remove the watch from your wrist and position it face-down on a soft surface. Using a spring bar removal tool, insert the flat tip into the lateral slot of the lug, apply gentle pressure and simultaneously pull the strap. Repeat from the opposite side. Insert the new strap by aligning the holes with the lugs and press until you hear the click of the retention spring locking into place.

Can I use an aftermarket strap on this Certina DS?

Yes, any quality 20mm strap is compatible with the Certina DS C0264071608701. We recommend verifying that the spring bars are constructed from stainless steel and that the internal loop of the strap has no sharp edges that could damage the watch lugs. Specialist brands such as Milano Straps guarantee construction precision and certified material longevity.

How long does a leather strap last on a daily-worn watch?

A quality leather strap (alligator, calf, shell cordovan) subjected to daily use maintains structural integrity for 18-36 months, provided it is protected from constant humidity and prolonged direct UV exposure. Vegetable tanning develops a natural protective patina that tends to extend this duration. The critical point remains the loop and buckle, which experience maximum mechanical stress: light maintenance (cleaning with a damp cloth, periodic drying) significantly extends useful life.