Longines · La Grande Classique

Strap for La Grande Classique 33 Quartz Pink Gold

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter33 mm
ReferenceL4.691.8.11.0 (aka: L46918110)
FamilyLa Grande Classique
MovementLongines caliber L140 hours, minutes
CaseRose Gold

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 L4.691.8.11.0 (aka: L46918110)

Selected for the 18 mm lug width

All 18 mm straps →

The La Grande Classique L4.691.8.11.0 (aka: L46918110), seen from the bench

The La Grande Classique represents Longines' dress watch line characterized by essential lines and a slim profile. The model is powered by the L140 quartz caliber with hour and minute indication. The case features 18mm lugs and maintains the contained proportions typical of elegant watches.

Frequently asked questions

What is the lug width of the Longines La Grande Classique L4.691.8.11.0?

The lug width of the L4.691.8.11.0 model is 18 mm. This measurement refers to the net distance between the two lugs of the case, measured internally. A compatible strap must have an 18 mm lug width to ensure a correct fit and proportionate aesthetics with the 33 mm case. Always verify the measurement before purchase using a calliper in the internal space between the lugs.

Which strap do you recommend for the Longines La Grande Classique L4.691.8.11.0?

For the La Grande Classique L4.691.8.11.0 in pink gold, we recommend an alligator strap in black or dark brown: the regular grain and smooth texture do not compete with the warmth of the metal, creating a noble contrast. If you prefer a patina that develops over time, choose a soft vegetable-tanned calf, which ages beautifully. For warmer combinations, burgundy alligator amplifies the case's warmth. Avoid shell cordovan, as it is too rigid for this lug width.

How do you change the strap on the Longines La Grande Classique L4.691.8.11.0?

Strap replacement requires a spring bar tool to open the small metal pins that secure the strap to the lugs. Insert the tool into the side opening of the lug, gently push inward to compress the spring and retract the pin, then remove the old strap. Reverse the process to install the new strap. On 18 mm lugs, the keeper must slide freely without forcing. If you lack experience, consult a watchmaker.

Does the Longines La Grande Classique L4.691.8.11.0 support aftermarket straps?

Yes, the L4.691.8.11.0 fully supports aftermarket straps with 18 mm lug width, provided they are manufactured with equivalent quality (premium leather, regular stitching, 1.2–1.4 mm thickness). Artisanal straps from Milano Straps are completely compatible. If you desire a deployant clasp, verify that the mechanism is proportioned for 18 mm and that the closure is smooth. Aftermarket straps offer customisation of colour, material, and stitching that the original does not provide.

How long does a leather strap last on the Longines La Grande Classique L4.691.8.11.0?

The lifespan of a leather strap depends on use and material: premium alligator resists 3–4 years of daily wear before replacement, whilst vegetable-tanned calf ages more visibly in 2–3 years, developing characteristic patina. Durability increases if the strap is dried after moisture exposure and protected from prolonged sun exposure. An artisanal strap from Milano Straps, crafted from selected leathers, guarantees superior durability with proper maintenance. Replacement is economical relative to watch cost, allowing seasonal rotations of colours and materials.

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