Longines · La Grande Classique

Strap for La Grande Classique Automatic 36 Gold / Champagne

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
ReferenceL4.908.2.31.2 (aka: L49082312)
FamilyLa Grande Classique
MovementLongines caliber L591 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 L4.908.2.31.2 (aka: L49082312)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The La Grande Classique L4.908.2.31.2 (aka: L49082312), seen from the bench

The Grande Classique Automatic 36 Gold/Champagne L4.908.2.31.2 is a 36 mm stainless steel watch with a satin finish case, embodying functional minimalism. It features the Longines L591 quartz movement, ensuring precise timekeeping without complications. The 20 mm lug width is specifically designed to maintain proper proportions on the 36 mm case diameter, requiring careful strap selection for replacement.

Frequently asked questions

What is the lug width of the Longines La Grande Classique L4.908.2.31.2?

The lug width is 20 millimetres. This dimension is specific to this model and is critical when selecting a compatible strap. To verify, position a digital calliper between the inner edges of both lugs: the reading must be exactly 20mm. Straps narrower (18mm) or wider (22mm) will not fit properly and risk damaging the spring bar pins.

Which strap material pairs best with the Longines La Grande Classique L4.908.2.31.2?

For this minimalist watch, we recommend vegetable-tanned alligator, whose fine grain respects the pure aesthetic of the case. Alternatively, shell cordovan develops a compelling patina over time, emphasising the vintage-modern character of the model. A vegetable-tanned calf leather in brown or black offers daily practicality without compromising craftsmanship. For versatility, a black rubber strap with leather lining transitions effortlessly between formal and casual contexts.

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

Strap replacement requires a spring bar tool. Apply gentle pressure to release the lugs and extract the elastic pins. Verify that the new leather has compatible pin housings. Align the new strap's housings with the case lugs and press the pins until they click into position. If uncertain, consult a specialist watchmaker to avoid case scratching.

Can I use aftermarket straps on this watch?

Yes, provided they respect the 20-millimetre lug width specification. MilanoStraps offers a curated collection of 20mm artisan straps, customisable in length, thickness, and stitching. Always verify that elastic spring bars are compatible with your case's pin housing. Casati Milano's atelier creates bespoke straps with personal leather selection and an 18-month warranty.

What is the lifespan of a leather strap on a watch like the La Grande Classique?

Durability depends on usage pattern and leather type. High-quality vegetable-tanned alligator withstands 3–5 years of daily wear, developing a desirable patina. Shell cordovan, being more resilient, can last 5–8 years. Vegetable-tanned calf typically endures 2–4 years. Critical factors include ambient humidity, seasonal rotation frequency, and care regimen. MilanoStraps provides 18-month warranty coverage; Casati Milano offers restoration and renewal services upon request.

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