Longines · La Grande Classique

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

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
ReferenceL4.755.2.11.2 (aka: L47552112)
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 L4.755.2.11.2 (aka: L47552112)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The La Grande Classique L4.755.2.11.2 (aka: L47552112), seen from the bench

The Longines Grande Classique Quartz 36 model L4.755.2.11.2 features a 36 mm stainless steel case with a silver dial and horizontal indices. Powered by the Longines L420 quartz calibre, it delivers chronometric stability and minimal maintenance. The 20 mm lug width accommodates compatible straps up to 19.8 mm wide. Sapphire crystal and water resistance complete this classically designed timepiece built to endure generations.

Frequently asked questions

What is the lug width of the Longines La Grande Classique L4.755.2.11.2?

The lug width of the L4.755.2.11.2 is 20 millimetres. This measurement determines compatibility with any aftermarket strap: the strap must present a maximum width of approximately 19.8 mm at the lug end to fit correctly without play or forcing. Verifying this dimension is essential before purchasing a replacement strap.

Which strap is recommended for the Longines La Grande Classique L4.755.2.11.2?

Brown or cognac alligator represents the classical choice that enhances the sober elegance of the Grande Classique. Alternatively, vegetable-tanned calf with visible patina development offers contemporary character. For versatility, deep black maintains absolute formality across any wardrobe. Shell cordovan remains the most prestigious solution for those desiring a strap that ages nobly.

How do I change the strap on my Longines L4.755.2.11.2?

The strap is changed using a springbar remover (small flat tool available online). Insert the tool into the lateral hole of the lug to compress the internal spring, gently extracting one end of the old strap. Repeat on the other lug. Insert the new strap by aligning the holes with the springbars, ensuring both ends are anchored deeply. The operation requires minutes and I recommend performing it on a soft surface to avoid scratches on the case.

Can I use a strap from different brands on my Longines L4.755.2.11.2?

Yes, provided the strap respects the 20-millimetre lug width. Any aftermarket strap meeting this dimension is compatible: Italian craftsmen, Swiss manufacturers, specialised leather brands. What matters is verifying that construction quality is proportionate to the watch's value, ensuring absence of toxins in the leather, regular stitching, and metal finishes coherent with the stainless steel case.

What is the typical lifespan of a leather strap on the Longines L4.755.2.11.2?

A quality leather strap with vegetable tanning and artisanal construction lasts between three and five years with daily wear, subject to variables such as ambient humidity, frequency of use and maintenance. Leather tends to dry and wear at points of greater flexion. Extending lifespan is possible by rotating multiple straps on the same watch, allowing leather to dry between uses, and periodically applying conditioners specific to watch leather.

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