Longines · La Grande Classique

Strap for La Grandes Classique Quartz 36 PVD / White Roman / Bracelet

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

Lug width20 mm
Case diameter36 mm
ReferenceL4.755.2.11.8 (aka: L47552118)
FamilyLa Grande Classique
MovementLongines caliber L420 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

Straps for the La Grande Classique L4.755.2.11.8 (aka: L47552118)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The La Grande Classique L4.755.2.11.8 (aka: L47552118), seen from the bench

La Grande Classique represents Longines' line of elegant watches characterized by essential lines and minimalist design. The model is powered by the L420 caliber with hour and minute indication. The lugs have a width of 20mm.

Frequently asked questions

What is the lug width of the Longines La Grande Classique L4.755.2.11.8?

The lug width of the Longines L4.755.2.11.8 is 20mm. This measurement represents the distance between the inner edges of the case lugs and is essential for selecting compatible straps. Precise measurement is critical, as a tolerance of ±0.2mm can affect strap fit and stability.

What is the best strap for the Longines La Grande Classique L4.755.2.11.8?

The optimal strap choice depends on intended use and aesthetic preference. For formal and classical styling, we recommend vegetable-tanned alligator in dark brown or cognac tones, which enhances the refined presence of the stainless steel case. Shell cordovan offers a premium alternative for those seeking a rich patina over time. Satin-finished calf leather provides versatility whilst maintaining the understated elegance of the Longines design.

How do I change the strap on the Longines L4.755.2.11.8?

Strap replacement requires a spring bar tool to remove the metal fasteners securing the strap to the lugs. Gently remove the spring bars, withdraw the existing strap, and install the new one, ensuring the bars snap firmly into the lug seats. If you lack experience, we recommend the professional service at Casati Milano for precision installation and verification.

Which aftermarket straps are compatible with the Longines La Grande Classique L4.755.2.11.8?

All straps with a 20mm lug width are theoretically compatible. However, manufacturing quality varies considerably. We recommend purchasing from specialised retailers such as milanostraps.it, where every strap is verified for dimensional accuracy and secure anchorage. Avoid generic straps that may present incorrect tolerances or inadequate construction.

How long does a leather strap last on the Longines L4.755.2.11.8?

Leather strap longevity depends on material grade and frequency of use. Vegetable-tanned alligator can endure 4–6 years of daily wear, developing an appreciable patina. Shell cordovan, owing to fibre density, typically lasts 6–8 years. Satin calf leather has an average lifespan of 3–5 years. Regular maintenance—cleaning and conditioning—significantly extends durability.

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