Longines · La Grande Classique

Strap for La Grande Classique Quartz 23 Gold

Takes 12 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width12 mm
Case diameter23 mm
ReferenceL4.191.6.32.0 (aka: L41916320)
FamilyLa Grande Classique
MovementLongines caliber L209 hours, minutes
CaseYellow Gold

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 L4.191.6.32.0 (aka: L41916320), seen from the bench

The Longines La Grande Classique L4.191.6.32.0 is a women's dress watch with a 23 mm yellow gold case and Longines L209 quartz movement. The ultrathin case features a minimalist white dial with applied indices and Longines logo, offering water resistance to 30 meters. The 12 mm lug width is specifically designed to maintain architectural proportions between case and strap, requiring precise fitment without lateral play or forcing.

Frequently asked questions

What is the lug width of the Longines La Grande Classique L4.191.6.32.0?

The lug width of the Longines La Grande Classique L4.191.6.32.0 is 12 millimetres. This unconventional dimension was selected by Longines to maintain architectural proportions coherent with the ultra-thin 23-millimetre case, avoiding visual overload. It is crucial to verify that the strap inserts precisely into the lugs without lateral play or forcing.

What is the best strap material for the Longines L4.191.6.32.0?

Alligator represents the aristocratic choice: regular texture and fine grain naturally accord with the geometric lines of the case. Italian calf leather with vegetable tanning offers elegant character and develops noble patina over time. Vulcanised rubber is practical for humid environments whilst maintaining luxury aesthetic. NATO fabric is a versatile contemporary option. Selection depends on use context and personal taste, provided the construction is artisanal and impeccable.

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

To change the strap, obtain a proper tool (spring bar tool or removable lug). Position the watch on a soft surface (microfibre cloth) with the caseback facing upwards. Gently insert the tool into the small hole situated beneath the lug, pressing downward to release the internal spring. Extract the lug from both sides. Align the new strap holes with the metal lugs and press firmly until the spring catches securely. Verify the lug is solidly fixed before wearing the watch.

Are aftermarket straps compatible with the Longines L4.191.6.32.0?

Yes, provided they strictly respect the 12-millimetre lug width and present artisanal construction excellence. Compatible aftermarket straps must mount on suitable deployantes, guarantee secure release and fluid closure. We recommend customisable leather or certified quality rubber straps with refined finishing and minimum 18-month warranty. Avoid cheap industrial products that deteriorate rapidly.

What is the average lifespan of a leather strap for the Longines L4.191.6.32.0?

An artisanal quality leather strap, featuring vegetable tanning or genuine alligator, typically lasts 18–36 months under normal daily wear conditions. Longevity depends on tanning type, environmental humidity and maintenance: promptly dry accidental wetting, avoid prolonged sun exposure and periodically hydrate with appropriate creams to significantly extend useful life. Vulcanised rubber straps last longer (36–48 months) and resist humid environments more effectively.

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