Longines · DolceVita

Strap for DolceVita 20.5 Quartz Stainless Steel / 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
ReferenceL5.255.4.57.6 (aka: L52554576)
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 L5.255.4.57.6 (aka: L52554576), seen from the bench

The DolceVita represents Longines' line of rectangular watches characterized by essential lines and elegant proportions. The model is powered by the L178 quartz caliber with hours, minutes and small seconds indication. The case features 15mm lug width and maintains the compact dimensions typical of the collection.

Frequently asked questions

What is the lug width of the Longines DolceVita L5.255.4.57.6?

The lug width of the Longines DolceVita L5.255.4.57.6 is 15mm. This measurement should be verified using a ruler perpendicular to the watch's axis, measuring the distance between the two spring bar attachment points. The correct value must fall between 14.8mm and 15.2mm to ensure a perfect fit without play or force during installation.

What is the best strap for the Longines DolceVita L5.255.4.57.6?

The best strap depends on intended use: alligator with fine grain is the most refined choice, capable of dialoguing with the case's Art Déco lines. Vegetable-tanned calf offers organic texture that evolves over time. Shell cordovan remains a luxurious and durable alternative. For daily practical wear, quality watchmaking rubber straps maintain aesthetic appeal without maintenance demands.

How do you change the strap on the Longines DolceVita L5.255.4.57.6?

The DolceVita's strap is changed using a spring bar positioned at the case attachments. With a dedicated tool (spring bar tool) or needle, compress the spring on one side, extract the pin from its seat, and repeat on the other side. Once the old strap is freed, align the new one with the lugs (15mm) and push the pin until it clicks into place. It is advisable to perform the operation on a soft surface to avoid case damage.

Which aftermarket straps are compatible with the Longines DolceVita L5.255.4.57.6?

All aftermarket straps with a 15mm lug width are compatible, including those made by brands other than Longines. Specialized manufacturers such as Milano Straps offer straps in alligator, calf, shell cordovan, and technical materials, all configured for this specific lug width. It is essential to verify that the declared lug width is indeed 15mm and that the strap features standard spring bars (1.8mm pin diameter) to ensure compatibility.

How long does a natural leather strap last on the Longines DolceVita L5.255.4.57.6?

The lifespan of a natural leather strap depends on intensity of use and material quality. Premium alligator or properly aged shell cordovan can last 5-8 years with regular wear, as the leather consolidates over time, acquiring a protective patina. Vegetable-tanned calf, being softer, requires greater maintenance and typically lasts 3-5 years. Longevity increases significantly if you rotate straps and apply leather conditioner every 6-8 months, maintaining fibre elasticity and resistance to lug edge wear.

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