Longines · La Grande Classique
Strap for Longines La Grande Classique L4.766.4.17.4
The La Grande Classique Quartz 37 Stainless Steel takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
What I'm asked about the Longines La Grande Classique L4.766.4.17.4
What strap size does the Longines La Grande Classique L4.766.4.17.4 take?
The Longines La Grande Classique L4.766.4.17.4 needs 20 mm between the lugs, usually 16 mm at the buckle. It's the size I've been fitting on it for years.
Can the strap on the Longines La Grande Classique L4.766.4.17.4 be changed?
Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.
Can I put a leather strap on the Longines La Grande Classique L4.766.4.17.4?
Yes, in 20 mm leather. On a 37 mm dress watch alligator is the natural choice: thin, elegant, what it was born for.
Which strap do you recommend for the Longines La Grande Classique L4.766.4.17.4?
A thin 20 mm alligator. You'll find it ready in the 20 mm collection. If you'd rather have something built on your wrist, the Casati atelier.
Straps for the La Grande Classique L4.766.4.17.4
Selected for the 20 mm lug width · workshop selection
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Hammered Yellow Strap with Ecru Stitching€98
Black Calfskin Rally Watch Strap – Handmade in Milan★ 5 · 2€110
Red Suede Strap with Stitching — Milano Straps€90
Black Alligator Strap with Light Blue Edges€149
The La Grande Classique L4.766.4.17.4, seen from the bench
Frequently asked questions
Which strap is most suited to the Longines La Grande Classique L4.766.4.17.4?
Alligator remains the most harmonious choice: its natural grain structure offers depth without visual excess, in perfect alignment with the watch's minimalist aesthetic. For versatility, vegetable-tanned calf leather develops a captivating patina over time. Avoid straps with oversaturated colours or elaborate textures: this model favours restraint and sobriety.
Is an aftermarket 20mm strap compatible with my Longines La Grande Classique L4.766.4.17.4?
Yes, provided the strap is specifically dimensioned for 20mm and the spring bars are of adequate quality. Compatibility is guaranteed by lug width; however, we recommend straps crafted from premium leather and finished with stainless steel hardware to preserve the visual harmony of the timepiece.
How long does a leather strap last on the Longines La Grande Classique L4.766.4.17.4?
Longevity depends on leather quality and intensity of use. Premium alligator or vegetable-tanned calf lasts 2–4 years with moderate daily wear. Fine leather ages naturally when exposed to moisture and friction. To extend lifespan, minimise exposure to perspiration and water, and rotate between multiple straps regularly.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
The atelier's website: casatimilano.com