Longines · La Grande Classique

Strap for La Grande Classique Quartz 24 Black

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
ReferenceL4.209.4.58.6 (aka: L42094586)
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 L4.209.4.58.6 (aka: L42094586), seen from the bench

The Longines La Grande Classique Quartz 24 Black is a women's timepiece from the iconic collection launched in 1992. The reference L4.209.4.58.6 features a 24mm stainless steel case with 4.45mm thickness and a Longines L209 quartz movement. The model requires a specific 13mm lug width, which is essential for proper strap attachment and daily comfort without lateral flexing or excessive tension.

Frequently asked questions

What is the lug width of the Longines La Grande Classique L4.209.4.58.6?

The lug width is precisely 13mm. This dimension is specific to this model and is not interchangeable with 12mm or 14mm lugs. Measurement must be taken with a digital calliper between the lugs from end to end, at the widest point of the lug itself, to ensure compatibility and optimal comfort.

Which strap is recommended for the Longines L4.209.4.58.6?

For the L4.209.4.58.6, straps in alligator, shell cordovan, vegetable-tanned calf, or FKM rubber are ideal. Alligator maximises the minimalist design of the ultra-slim case, whilst smooth calf offers natural colour evolution over time. The choice depends on daily usage and personal aesthetic preferences.

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

The strap is replaced using a dedicated lug removal tool. Position the watch on a soft support, insert the tool's pin into the small hole of the spring mechanism inside the lug and press gently until the lug pin emerges. Align the new strap's holes and reinsert the lug pin with the spring. We recommend performing this operation on a protected surface or entrusting the change to a professional.

Is the strap I'm looking for compatible with the Longines L4.209.4.58.6?

Yes, any strap with a 13mm lug width is compatible with the L4.209.4.58.6. On milanostraps.it you will find a wide selection of 13mm straps customisable in length, leather, colour and stitching details. All straps are tested to guarantee perfect fit on this model.

How long does a leather strap last on a watch like the Longines La Grande Classique?

Durability depends on the material and usage. A quality handcrafted alligator strap lasts 5-8 years with daily use and regular maintenance (cleaning and conditioning). Shell cordovan can last up to 10 years if protected from excessive moisture. Vegetable-tanned calf has a lifespan of 3-5 years and naturally evolves by acquiring patina and character.

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