Longines · La Grande Classique

Strap for La Grande Classique Quartz 24 Stainless Steel / White / Strap

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
ReferenceL4.209.4.11.2 (aka: L42094112)
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 L4.209.4.11.2 (aka: L42094112), seen from the bench

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

Frequently asked questions

What is the lug width of the Longines La Grande Classique L4.209.4.11.2?

The lug width of the Longines L4.209.4.11.2 is 13mm. This specific dimension characterises Longines' ladies' timepieces with a 24mm case and requires artisanal or bespoke straps that respect this measurement. Correct measurement is carried out with a digital calliper, measuring the internal distance between the two case lugs.

What strap material is most suitable for this Longines?

For the L4.209.4.11.2, we recommend: honeyed or dark brown alligator for classical elegance; European calf leather with vegetable tanning for a soft feel and developable patina over time; Cordura canvas NATO for a sportier and more informal style. Material choice depends on context: alligator leather suits formal occasions better, whilst vegetable-tanned calf is ideal for daily elegant wear.

How do I change the strap on the Longines La Grande Classique L4.209.4.11.2?

Strap replacement is performed using the lug pins (spring bars). Using a specialised lever tool (spring bar tool), apply gentle pressure to one side of the pin to disengage it from its housing in the case, remove the worn strap, and insert the new one by aligning the holes with the lugs. Ensure the pin clicks securely in both holes to prevent accidental detachment.

Can I use standard aftermarket straps on this Longines?

No, this is not recommended. The Longines L4.209.4.11.2 requires 13mm lug width straps. A standard 16mm or 18mm strap would create a visible gap between the band and the case lugs, compromising the aesthetic proportions of the timepiece. It is essential to select an artisanal strap specifically made for the 13mm lug width.

How long does a leather strap last on this watch?

Durability depends on material and usage. A quality alligator strap with proper vegetable tanning lasts approximately 3–5 years with daily wear. European calf leather with vegetable tanning offers similar resistance but develops a more pronounced patina over time. The standard warranty offered by specialist ateliers is 18 months. Factors such as humidity, sun exposure, and frequency of wear significantly influence leather longevity.

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