Longines · DolceVita

Strap for DolceVita 20 Quartz Stainless Steel Arabic

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

Lug width15 mm
Case diameter20 mm
ReferenceL5.155.4.73.6 (aka: L51554736)
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

Frequently asked questions

What is the lug width of the Longines DolceVita L5.155.4.73.6?

The lug width of the Longines DolceVita L5.155.4.73.6 is 15 mm. This dimension is model-specific and was engineered to maintain the proportional balance of the rectangular Art Deco case. To measure correctly, place a calliper perpendicular to the lug, from lug to lug at the case base, excluding the crystal.

Which strap material is best suited for the Longines DolceVita L5.155.4.73.6?

Alligator leather remains the most refined choice for the DolceVita, thanks to its fine grain and its patina development over time, which enhances the case's delicate proportions. Smooth or grain calf leather offers a balanced solution between elegance and daily practicality. Fine-textured rubber provides contemporary versatility without contradicting the model's heritage.

How do I change the strap on a rectangular watch like the DolceVita?

To change the strap on a watch with 15mm lugs, place the watch on a soft cloth. Use a dedicated tool (spring bar tool or removal device) to gently push the lug pins inward, freeing the old strap. Insert the new strap by sliding the pin back into position, ensuring it is fully locked.

Can I use any brand strap on my DolceVita L5.155.4.73.6?

Yes, provided the strap is specifically crafted for a 15mm lug width. Artisanal straps of superior quality, such as those from Milano Straps, are customisable in leather, colour and details (initials, stitching thread). We always recommend premium aftermarket straps over generic brands.

How long does a leather strap last on a watch like the DolceVita?

A superior-quality leather strap (alligator, calf, shell cordovan) typically lasts 4–6 years with moderate daily use. Durability depends on wearing frequency, humidity exposure and care. Vegetable-tanned leather straps develop an elegant patina, improving in appearance over time. Milano Straps offers an 18-month guarantee and restoration services.

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