Longines · Evidenza

Strap for Evidenza Chronograph Black

Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width16 mm
Case diameter35 mm
ReferenceL2.643.4.51.4 (aka: L26434514)
FamilyEvidenza
MovementLongines caliber L650 Hours, Minutes, Small Seconds | Date | Chronograph
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 Evidenza L2.643.4.51.4 (aka: L26434514)

Selected for the 16 mm lug width

All 16 mm straps →

The Evidenza L2.643.4.51.4 (aka: L26434514), seen from the bench

The Longines Evidenza L2.643.4.51.4 is a tonneau-cased chronograph featuring a 34.90mm brushed stainless steel case and 16mm lug width. Powered by the Longines caliber L650 movement, it combines hours, minutes, small seconds, date, and chronograph functions. Launched around 2000, this model reflects Swiss watchmaking heritage rooted in Art Deco design philosophy.

Frequently asked questions

What is the lug width of the Longines Evidenza L2.643.4.51.4?

The lug width of the Longines Evidenza L2.643.4.51.4 is 16mm. This dimension is measured from one lug to the other (inner point) and is specifically calibrated for the proportions of the 34.90mm tonneau case.

Which strap is best suited for the Longines Evidenza L2.643.4.51.4?

For the Longines Evidenza L2.643.4.51.4, an alligator strap represents the most idiomatic choice, as the natural grain of crocodile leather dialogues perfectly with the tonneau geometry. Elegant alternatives include vegetable-tanned calf or shell cordovan for those seeking patina over time.

How do you change the strap on a Longines Evidenza L2.643.4.51.4?

Strap replacement is accomplished via spring bars positioned at the extremities of the tonneau case. Using a spring bar tool, compress the elastic bar and extract the worn strap, then insert the new one by aligning the lug ends (16mm) with the case pins.

Can an aftermarket strap be used on a Longines Evidenza L2.643.4.51.4?

Yes, entirely possible. Milanostraps offers Swiss and Italian artisanal straps compatible with the 16mm lug width. It is essential to verify that the strap is configured for this specific width to ensure perfect compatibility with the spring bars.

How long does a leather strap last on a Longines Evidenza L2.643.4.51.4?

A quality leather strap (alligator, calf, cordovan) on a Longines Evidenza worn daily has an average lifespan of 3-5 years before requiring replacement. Longevity depends on environmental factors (humidity, perspiration), frequency of wear, and maintenance. Milanostraps straps benefit from an 18-month warranty.

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