Longines · DolceVita

Strap for DolceVita 20.5 Quartz Stainless Steel / Diamond / MOP

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
ReferenceL5.255.0.87.3 (aka: L52550873)
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 L5.255.0.87.3 (aka: L52550873), seen from the bench

The DolceVita represents Longines' collection of rectangular watches characterized by elegant lines. It houses the L178 caliber with hours, minutes and small seconds functions. The case features 15mm lugs for the strap.

Frequently asked questions

What is the lug width of the Longines DolceVita L5.255.0.87.3?

The lug width of the Longines DolceVita L5.255.0.87.3 (also known as L52550873) measures exactly 15mm, a specific dimension tailored to this rectangular case model. The 15mm lug width represents a proportional calculation that balances the slender 20.5mm case aesthetics with practical wearing comfort. It is essential to verify the measurement with a digital calliper between the attachment points before ordering a replacement strap.

What is the best strap for the Longines DolceVita L5.255.0.87.3?

The optimal strap choice depends on use context and dial colour. For formal elegance, black or dark blue alligator leather represents the traditional choice. For everyday wear, vegetable-tanned calf leather offers versatility and develops an attractive natural patina over time. Shell cordovan in burgundy or cognac brown tones provides an excellent balance between aesthetic character and adaptability. For business environments, a strap with deployant clasp allows rapid colour alternation whilst maintaining the same timepiece.

How do I change the strap on the Longines DolceVita L5.255.0.87.3?

The DolceVita strap is replaced using standard spring bars that secure the strap to the case lugs. With a spring bar tool or flat implement, gently compress the spring mechanism on one side of the case, releasing the strap from the slot. Subsequently, align the new strap holes with the extended spring bars, pressing until a satisfactory click confirms secure attachment. If you purchase a personalised strap from the Milano Straps 15mm collection, photographic fitting instructions specific to your lug width will be provided.

Are there aftermarket straps compatible with the Longines DolceVita L5.255.0.87.3?

Yes, numerous manufacturers offer 15mm-compatible straps suitable for the DolceVita L5.255.0.87.3. Milano Straps provides a curated collection of artisanal leather, linen and rubber straps specifically tested for this lug width. Compatibility is guaranteed only if the strap is dimensionally accurate at 15mm; avoid straps of other dimensions regardless of 'universal' marketing claims. For maximum personalisation, the Casati Milano atelier creates bespoke straps with direct leather selection and dedicated finishing options.

What is the lifespan of a leather strap on the Longines DolceVita L5.255.0.87.3?

Lifespan depends on intensity of use, climatic conditions and leather quality. A high-quality alligator or vegetable-tanned calf strap (as offered by Milano Straps) typically lasts 3-5 years with daily use, extendable to 7-10 years with moderate use and appropriate maintenance (rapid drying after rain, avoiding prolonged moisture). Shell cordovan proves even more durable owing to the natural fibre density. The slender 15mm lug width of the DolceVita does not create particular stress on the strap, so wear concentrates primarily on the buckle and fold point. Casati Milano provides an 18-month warranty on all bespoke straps.

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