Longines · La Grande Classique

Strap for La Grande Classique Quartz 24 Two Tone Yellow MOP

Takes 13 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width13 mm
Case diameter24 mm
ReferenceL4.209.2.87.7 (aka: L42092877)
FamilyLa Grande Classique
MovementLongines caliber L209 Hours, Minutes
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

The La Grande Classique L4.209.2.87.7 (aka: L42092877), seen from the bench

The Longines La Grande Classique represents the brand's dress watch line characterized by essential lines and a slim profile. The model is equipped with the L209 quartz caliber with hour and minute indication. The case features 13mm lugs for a compact and discreet design.

Frequently asked questions

What is the exact lug width of the Longines La Grande Classique L4.209.2.87.7?

The lug width (ansa measurement) of the Longines La Grande Classique L4.209.2.87.7 is 13mm. This dimension represents the distance between the inner edges of the two lugs on the case. Respecting this measurement is crucial to maintain the harmonious proportions of the 24mm women's timepiece: a strap of different width (12mm or 14mm) would compromise the overall aesthetic balance.

Which strap material is recommended for the Longines La Grande Classique L4.209.2.87.7?

For the L4.209.2.87.7 reference, alligator leather in vegetable tanning represents the premium choice: the natural grain texture develops patina over time, ensuring aesthetic longevity. Structured calf leather offers refined everyday elegance with finer grain and comfort. For versatility, cotton NATO absorbs moisture without issues; FKM rubber is ideal for humid climates or occasional water sports.

How do I change the strap on my Longines La Grande Classique L4.209.2.87.7?

The change requires minimal tools: a spring bar tool (for removing the lugs) and care not to scratch the case. Position the tool in the small hole at the base of each lug, apply vertical pressure to compress the internal spring, then slide the lug away from the case. Insert the new strap by reversing the process: align the strap ends to the holes and slide until the spring clicks into position. For models with precious alligator leather, many owners entrust the operation to experts to avoid damage.

Can I fit an aftermarket strap on my Longines La Grande Classique L4.209.2.87.7?

Absolutely. The aftermarket strap industry has achieved quality standards comparable to original straps. Milano Straps offers 13mm straps in alligator, calf, and synthetic materials, customisable in size (length of straight end and pointed end), colour, embroidered initials, and stitching thread, all compatible with your Longines lug. The 18-month warranty and artisanal details of Casati Milano craftsmanship guarantee structural reliability.

How long does a leather strap last on a Longines La Grande Classique L4.209.2.87.7?

The lifespan of a leather strap varies between 3 and 7 years depending on frequency of use, environmental conditions, and maintenance. Alligator in vegetable tanning, thanks to its natural density and ability to develop protective patina, tends to last longer. Calf requires more careful maintenance in humid environments. Periodical rotation with a second strap (recommended strategy for daily-wear timepieces) significantly extends the useful life of each component, distributing mechanical stress and body perspiration.

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