Longines · La Grande Classique

Strap for La Grande Classique Quartz 24 Yellow Gold / Gilt - Diamond / Bracelet

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
ReferenceL4.209.2.33.8
FamilyLa Grande Classique
MovementLongines caliber L209 hours, minutes
Year2023
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 L4.209.2.33.8, seen from the bench

The Longines La Grande Classique L4.209.2.33.8 is a 24mm dress watch embodying Swiss watchmaking philosophy through absolute discretion and perfect proportions. It features the Longines L209 quartz movement with hours and minutes display, a stainless steel case 4.2mm thick, and a sapphire crystal. The 13mm lug width is specific to this model and essential for proper strap compatibility on such a compact case, requiring precise measurement between attachment points to avoid visual imbalance.

Frequently asked questions

What is the lug width of the Longines La Grande Classique L4.209.2.33.8?

The lug width of the Longines La Grande Classique L4.209.2.33.8 is 13mm, a specific dimension for this dress watch model. To verify, measure the internal distance between the two strap attachment points with a rigid ruler positioned perpendicular to the lugs.

Which strap should I choose for the Longines L4.209.2.33.8?

For this dress watch, we recommend natural alligator leather straps (brown or black tones) for formal elegance, smooth calfskin in neutral shades for versatility, or discrete NATO canvas for controlled informality. Avoid aggressive textures that compromise the minimalist proportions of the case.

How do I change the strap on the Longines La Grande Classique L4.209.2.33.8?

Place the watch on a soft surface. Use a spring bar tool to gently lift the spring bars (elastic pins) that hold the strap to the lugs. Once the pins are extracted, the old strap slides off easily. Align the new strap holes with the lugs and reinsert the spring bars until they click into place.

Is an aftermarket strap compatible with the Longines L4.209.2.33.8?

Yes, any aftermarket strap with a 13mm lug width is compatible. Always verify the specific width measurement with the retailer. Milano Straps offers a collection of 13mm straps customisable in leather type, colour and stitching, with an 18-month guarantee if crafted by Casati Milano atelier.

How long does a leather strap last on a Longines dress watch?

A high-quality leather strap (natural alligator or vegetable-tanned calfskin) typically lasts 3-5 years with moderate daily wear. Longevity depends on wear frequency, exposure to moisture and perspiration, and maintenance (regular cleaning and conditioning). A strap handcrafted by Casati Milano, using premium leather, extends durability through vegetable tanning that ages with elegance.

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