Longines · DolceVita

Strap for DolceVita 20.5 Quartz Stainless Steel / Diamond / Black / Bracelet

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
ReferenceL5.255.0.57.6 (aka: L52550576)
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 L5.255.0.57.6 (aka: L52550576), seen from the bench

The Longines DolceVita L5.255.0.57.6 is a rectangular-cased model rooted in 1920s Art Déco design, reinterpreted in modern form in 1997. The case measures 20.50mm in diameter with a 15mm lug width, crafted in stainless steel. Powered by the Longines caliber L178 movement, it features hours, minutes, and small seconds. This elegant timepiece combines minimalist Swiss design with Mediterranean sensibility, distinguished by its slim, geometric silhouette.

Frequently asked questions

What is the exact lug width of the Longines DolceVita L5.255.0.57.6?

The lug width of the Longines DolceVita L5.255.0.57.6 is precisely 15mm. This is a non-standard dimension requiring specifically sized straps for this case. To verify, measure the internal distance between the two attachment pins on the case—it must be exactly 15mm. Milano Straps offers a complete selection of 15mm straps compatible with this model.

What is the best strap for the Longines DolceVita L5.255.0.57.6?

The finest aesthetic pairing is an alligator strap with vegetable tanning, whose geometric grain emphasises the rectilinear case geometry. However, the optimal choice depends on your personal style: smooth calfskin delivers minimalist elegance, shell cordovan develops a compelling patina over time, and a quality NATO fabric strap ensures everyday versatility. The strap finish should always respect the dial tone to preserve the formal balance of the timepiece.

How do you change the strap on the DolceVita L5.255.0.57.6?

Strap replacement requires a dedicated tool: a spring bar tool. Position the spring bar on the internal side of the lever, apply gentle downward pressure, and slide the previous strap outward. Once free, align the new strap with the case holes and reinsert the spring bar until it clicks definitively into place. If inexperienced, a professional watchmaker can perform the operation in minutes, ensuring the lugs remain undamaged.

Which aftermarket straps are compatible with the Longines DolceVita L5.255.0.57.6?

Any strap dimensioned for 15mm lug width is compatible with the DolceVita L5.255.0.57.6. Milano Straps offers a specialised range of artisanal leather straps in premium hides (alligator, calfskin, shell cordovan), crafted to measure and customisable in colour, length, and stitching options. Atelier Casati Milano also produces bespoke straps by appointment, allowing you to personally select leather and construction details.

How long does a leather strap last on the Longines DolceVita L5.255.0.57.6?

Durability depends on leather quality, frequency of use, and maintenance. A premium alligator or shell cordovan strap lasts 3–5 years in daily use, developing a desirable natural patina. Standard calfskin lasts 2–3 years. Milano Straps provides straps with an 18-month warranty against manufacturing defects. To extend lifespan, regularly clean the strap with a soft cloth, avoid prolonged direct sunlight exposure, and alternate use with other straps to reduce mechanical stress.

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