Longines · La Grande Classique

Strap for La Grande Classique 33 Quartz Stainless Steel

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
ReferenceL4.709.4.71.2 (aka: L47094712)
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 L4.709.4.71.2 (aka: L47094712)

Selected for the 18 mm lug width

All 18 mm straps →

The La Grande Classique L4.709.4.71.2 (aka: L47094712), seen from the bench

The Longines La Grande Classique L4.709.4.71.2 is a 33mm stainless steel quartz watch introduced in 1992, embodying minimalist Swiss watchmaking philosophy. It features the compact Longines L420 quartz movement, a satin-finished steel case 7.2mm thick, and an argenté dial with baton indices. The 18mm lug width ensures balanced proportions on the wrist, while 30m water resistance suits its urban character.

Frequently asked questions

What is the lug width of the Longines La Grande Classique L4.709.4.71.2?

The lug width is 18mm, the standard measurement for the La Grande Classique collection. This dimension maintains correct visual proportions on the 33mm case. To verify, measure centre-to-centre between the two lugs where the strap attaches to the case.

What is the best strap for the Longines L4.709.4.71.2?

We recommend alligator leather in cognac or deep brown tones, which emphasises the minimalist elegance of the dial. Alternatively, vegetable-tanned calf leather develops a natural patina beautifully over time. Avoid coloured or synthetic straps, as they contradict the sartorial character of this timepiece.

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

The strap is secured via spring bars—small horizontal metal pins in the lugs. Use a spring bar tool to push inward on one pin, free the lug, and remove the strap. Reverse the process to install the new one. If you're unfamiliar with the procedure, consult a watchmaker or visit our Casati Milano atelier.

Can I use an aftermarket strap on this Longines?

Yes, provided the lug width is exactly 18mm. All straps offered by Milano Straps for this specification are fully compatible. Always verify dimensions: an incorrect size could damage the case lugs or result in poor visual proportioning.

How long does a leather strap last on the Longines L4.709.4.71.2?

A quality leather strap (alligator, calf, shell cordovan) worn daily typically lasts 2–4 years before visible wear appears. Actual lifespan depends on frequency of use, moisture exposure, and leather quality. Milano Straps provides an 18-month warranty on all handcrafted straps, with regeneration options available.

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