Longines · Elegant

Strap for Elegant Collection Automatic 29 Stainless Steel / Pink Gold / Silver

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter29 mm
ReferenceL4.310.5.77.7 (aka: L43105777)
FamilyElegant
MovementLongines caliber L592.2 hours, minutes, seconds | date | chronometer
CaseRose Gold, Stainless Steel

Spring bar

Swiss Standard universal spring bars

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

Straps for the Elegant L4.310.5.77.7 (aka: L43105777)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Elegant L4.310.5.77.7 (aka: L43105777), seen from the bench

The Longines Elegant reference L4.310.5.77.7 is equipped with the L592.2 caliber with hour, minute, second and date functions. The movement is chronometer certified to ensure certified precision. The Elegant collection represents the classic line of the Swiss brand with a traditional design.

Frequently asked questions

What is the lug width of the Longines Elegant L4.310.5.77.7?

The lug width of the Longines Elegant L4.310.5.77.7 is 20 millimetres. This dimension is specific to the model and represents a deliberate design choice to maintain the harmonious proportions of the 29-millimetre case. You can verify this measurement by placing a digital calliper between the two lateral lugs of the case.

Which strap do you recommend for the Longines Elegant L4.310.5.77.7?

For this two-tone stainless steel and rose gold case, we recommend cognac brown alligator for a classical pairing, anthracite-grey calf for contemporary elegance, or black alligator for formal versatility. The choice depends on your usage context and personal preference. The 20mm straps available on milanostraps.it include all these materials in artisanal quality.

How do I change the strap on my Longines Elegant?

The strap of the Longines Elegant L4.310.5.77.7 is changed by removing the spring bars from the case lugs using a dedicated spring bar tool. Gently insert the tool tip into the lateral groove of the bar until the internal spring compresses, then extract the old strap. Insert the new strap by aligning the bar with the lug holes and allow it to snap into place. If uncertain, contact Casati Milano for professional replacement.

Can I use an aftermarket strap on this Longines?

Yes, any strap with a 20mm lug width is compatible with the Longines Elegant L4.310.5.77.7. milanostraps.it offers a comprehensive collection of 20mm artisanal leather straps available with customisations. Construction quality ensures an aesthetic result consistent with the refinement of the watch.

How long does a leather strap last on this watch?

A high-quality leather strap, such as alligator or vegetable-tanned calf, typically lasts 3–5 years with moderate daily wear. Longevity depends on exposure to humidity, temperature, and frequency of use. milanostraps.it straps are engineered for durability and develop a characteristic patina over time, increasing overall aesthetic value.

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