Elka Watch Co. · D-Series

Strap for D-Series Stainless Steel / Blue / Leather

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

Lug width20 mm
Case diameter41 mm
ReferenceD02-0806
FamilyD-Series
MovementLa Joux-Perret caliber G100 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 D-Series D02-0806

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The D-Series D02-0806, seen from the bench

The D02-0806 is the flagship model of Elka Watch Co.'s D-Series collection, featuring a 40.80mm stainless steel case with a minimalist design rooted in 20th-century rationalist architecture. Powered by the La Joux-Perret G100 caliber movement, it displays hours, minutes, seconds, and date. The satin-finished steel case combines matte surfaces on shoulders and bezel with polished elements for visual depth, offering 10 ATM water resistance. The 20mm lug width ensures proportional harmony between case and strap without visual imbalance.

Frequently asked questions

What is the lug width of the Elka Watch Co. D-Series D02-0806?

The lug width of the Elka D-Series D02-0806 is 20mm. This rare specification is deliberately proportioned with the 40.80mm case diameter, ensuring visual harmony. To verify, measure the distance between the inner lugs at the point where the strap seats.

Which strap is best suited for the Elka D02-0806?

Shell cordovan in deep brown is the finest aesthetic choice, developing natural patina over time. Alternatively, vegetable-tanned calf (anthracite grey or tobacco brown) offers colour consistency. For humid environments or sports wear, FKM rubber is both technical and refined. A NATO in black or navy blue represents the optimal balance between practicality and character.

How do I change the strap on the Elka Watch Co. D-Series D02-0806?

Place the watch on a flat surface. Using a spring bar tool or fine-tipped pen, gently press downward on one side's lug pin, creating sufficient clearance to remove the old strap. Repeat on the other side. Insert the new strap (confirming 20mm width) and verify symmetrical seating. A straightforward operation when performed with care.

Is a third-party strap compatible with the D02-0806?

Yes, provided the width is precisely 20mm and the strap construction quality is comparable. Avoid generic straps with poor finishing—the D02-0806 warrants premium materials. Milano Straps offers 20mm artisanal straps in leather, NATO, and rubber, specifically calibrated for this uncommon specification.

What is the lifespan of a leather strap for the Elka D02-0806?

A quality leather strap (shell cordovan or vegetable-tanned calf) typically lasts 3–5 years with moderate daily wear. Longevity depends on sun exposure, humidity, frequency of wear, and maintenance. Well-conditioned leather ages elegantly, developing patina and character. Replacement is not deterioration but evolution of your watch.

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