Longines · La Grande Classique

Strap for La Grandes Classique Quartz 36 Stainless Steel / 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
ReferenceL4.755.4.11.2 (aka: L47554112)
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 L4.755.4.11.2 (aka: L47554112)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The La Grande Classique L4.755.4.11.2 (aka: L47554112), seen from the bench

The Longines La Grande Classique L4.755.4.11.2 is a 33 mm stainless steel quartz watch featuring the Longines L420 caliber movement. Introduced in 1992, this model represents Swiss watchmaking philosophy with its minimalist dial and refined proportions. The watch features a 20 mm lug width, making it suitable for various wrist sizes while maintaining classic elegance.

Frequently asked questions

What is the lug width of the Longines La Grande Classique L4.755.4.11.2?

The lug width is 20 mm. This measurement is specific to the L4.755.4.11.2 model and is critical when selecting compatible straps or bracelets. The lugs on the case are precisely spaced 20 mm apart, therefore any aftermarket strap must respect this dimension for perfect fitment.

What is the best strap for the Longines La Grande Classique L4.755.4.11.2?

The ideal strap depends on intended use: for formal contexts, dark brown or black alligator with vegetable tanning enhances the minimalist elegance of the model. Vegetable-tanned calfskin offers a more modern, supple aesthetic. For daily versatility, a woven cotton NATO maintains classical style without rigidity. On this 33 mm case, avoid strap thicknesses exceeding 4-5 mm, which would unbalance proportions.

How do I change the strap on the Longines La Grande Classique L4.755.4.11.2?

The strap is replaced by removing the spring bars using a dedicated tool (spring bar removal tool). Proceed with caution to avoid scratching the stainless steel case. Position the watch on a soft cushion, compress the spring bar locking mechanism and slide it outward. Verify that the spring bars are compatible with 20 mm lugs. If using a bespoke Casati Milano strap, the team will verify fitment before delivery.

Can I use an aftermarket strap on my Grande Classique L4.755.4.11.2?

Yes, provided the strap is designed for 20 mm lugs. The artisanal straps available online at milanostraps.it are offered in this size and provide a quality alternative to the original bracelet. Always verify that the strap ends (lug seat) are perfectly aligned with the spring bars: a misalignment of 0.5 mm causes instability. Bespoke Casati Milano straps include compatibility verification.

How long does a natural leather strap last on this model?

A quality leather strap (alligator, shell cordovan or vegetable-tanned calfskin) typically lasts 3-5 years with daily use, 5-8 years with occasional wear. Durability depends on exposure to water, perspiration and sunlight. A pressed alligator strap wears more slowly than calfskin. The steel buckle and deployant clasp maintain functionality indefinitely if cleaned regularly. Casati Milano straps include an 18-month guarantee against manufacturing defects.

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