Longines · DolceVita

Strap for DolceVita 20.5 Quartz Stainless Steel / Silver

Takes 15 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width15 mm
Case diameter21 mm
ReferenceL5.255.4.71.5 (aka: L52554715)
FamilyDolceVita
MovementLongines caliber L178 hours, minutes, small seconds
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

The DolceVita L5.255.4.71.5 (aka: L52554715), seen from the bench

The Longines DolceVita reference L5.255.4.71.5 houses the L178 caliber with hours, minutes and small seconds functions. The watch features 15mm lugs and uses a movement that provides the essential time indications. The DolceVita collection is characterized by the distinctive rectangular design of the Swiss brand.

Frequently asked questions

What is the exact lug width of the Longines DolceVita L5.255.4.71.5?

The lug width of the Longines DolceVita L5.255.4.71.5 is precisely 15.00 millimetres. This is a non-standard lug width, specifically engineered to suit the refined proportions of this rectangular case. To verify, measure the internal distance between the two spring bar studs using a digital calliper. This measurement is critical to ensure compatibility and comfort with any aftermarket strap.

What is the best strap material for the Longines DolceVita L5.255.4.71.5?

We recommend alligator in dark brown or cognac, which emphasises the Art Déco aesthetic with a refined natural grain. For maximum formality, polished black calf is timeless. Those who appreciate natural patination should consider shell cordovan, which develops a stunning aged character over time. Any choice must respect this watch's minimalist elegance, avoiding overly substantial or visually dominating straps.

How do I change the strap on my Longines DolceVita L5.255.4.71.5?

The process is straightforward. Position the watch on a soft surface (rubber mat). Locate the spring bar studs on the case sides. Using a spring bar tool, gently compress the spring mechanism, then extract the old strap. Insert the new strap (confirm it is 15mm) by aligning the holes with the studs, then release. Verify the strap is secure on both sides before wearing the watch.

Can I use an aftermarket strap compatible with my Longines DolceVita L5.255.4.71.5?

Yes, but it is essential to choose a specialised supplier that guarantees precise 15mm compatibility. Not all 15mm straps are constructed identically; they vary in thickness, attachment finish quality, and overall craftsmanship. We recommend trusting artisanal ateliers such as Casati Milano through milanostraps.it, which verifies every product and offers compatibility guarantee.

How long does a leather strap last on my Longines DolceVita?

Durability depends on material and usage. Quality alligator or calf, with standard care (gentle cleaning, natural drying), lasts 3-5 years. Shell cordovan, thanks to its extraordinary density, may last 7-10 years or longer. Factors affecting longevity include sun exposure, perspiration, humidity, and frequency of wear. Artisanal straps from Casati Milano include an 18-month warranty and can be professionally restored.

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