Longines · La Grande Classique

Strap for La Grande Classique Quartz 23 White 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
ReferenceL4.191.6.72.6 (aka: L41916726)
FamilyLa Grande Classique
MovementLongines caliber L209 hours, minutes
CaseWhite 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 L4.191.6.72.6 (aka: L41916726), seen from the bench

La Grande Classique represents Longines' line of essential timekeepers characterized by a minimalist design. It houses the L209 quartz caliber with hour and minute indication. The lugs measure 12mm in width.

Frequently asked questions

What is the lug width of the Longines La Grande Classique L4.191.6.72.6?

The lug width of the Longines La Grande Classique L4.191.6.72.6 is 12mm. This is a non-standard measurement in contemporary watchmaking, making it essential to verify the measurement before purchasing an aftermarket strap. The correct measurement is taken by removing the original strap and measuring the total distance between the two attachment points on the case using a caliper.

Which strap is recommended for the Longines La Grande Classique L4.191.6.72.6?

For the Longines L4.191.6.72.6 in white gold, the most coherent materials are alligator in vegetable tanning and calf leather in vegetable tanning. Cognac or black alligator enhances the minimalist geometry of the case, whilst shell cordovan offers more structured presence over time. For contemporary contexts, a natural grey rubber strap preserves the formal purity of the model with updated sensibility.

How do you change the strap on the Longines La Grande Classique L4.191.6.72.6?

To change the strap on the Longines L4.191.6.72.6: 1) position the watch on a soft cushion; 2) locate the spring bars (small metal pins) connecting the strap to the case; 3) use a spring bar tool to gently push the pin inward; 4) extract the old strap; 5) insert the new strap by aligning the holes with the pins; 6) verify the strap is securely fastened. This operation should be performed with clean hands to avoid scratching the white gold case.

Are there aftermarket straps compatible with the Longines L4.191.6.72.6?

Yes, there are aftermarket straps compatible with 12mm lug width. milanostraps.it offers a dedicated collection of 12mm straps crafted from premium leathers (alligator, calf, shell cordovan) in various finishes and colours. All straps are customizable in length, embroidered initials and choice of stitching thread, with rapid shipping. The Casati Milano atelier also provides bespoke strap creation with personal leather selection.

How long does a leather strap last on the Longines L4.191.6.72.6?

Leather strap longevity depends on material and usage. Vegetable-tanned alligator, if properly maintained, lasts 4-6 years under normal wear conditions. Shell cordovan is more resistant and can last 6-8 years due to fibre density. Vegetable-tanned calf typically lasts 3-5 years. To extend strap lifespan, periodically apply protective waxes specific to vegetable-tanned leathers and maintain dryness. Straps crafted by Casati Milano 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