Strap for La Grande Classique Quartz 23 Gold

The lug width of the Longines La Grande Classique L4.191.6.11.2 is 12mm. This is an ultra-slim lug width, proportioned to the 23mm case diameter. Measurement is taken perpendicularly between the inner lugs, and this dimension is critical for compatible strap selection.

For the L4.191.6.11.2, we recommend alligator with fine grain (medium brown, black or burgundy), vegetable-tanned calf leather that develops patina over time, or shell cordovan in dark tones. We advise against thick straps or saturated colours that compete with the yellow gold case. Ideal materials emphasise minimalist elegance without detracting from the watch.

Strap change is accomplished by extracting the spring bars from the case lugs. It is advisable to use a spring bar tool to avoid scratches. The 12mm bars must be inserted into the new strap, aligned with the slots, ensuring the strap sits symmetrically. If uncertain, consult a professional watchmaker or Casati Milano atelier.

Yes, quality aftermarket straps with 12mm lug width are fully compatible. Milano Straps offers straps in fine leather (alligator, calf, cordovan) customisable in dimensions and details, guaranteeing construction standards equivalent to or exceeding original Longines straps. Compatibility is ensured by standard spring bar sizing.

Lifespan depends on material and usage. Quality alligator offers 3–5 years of daily wear before showing significant signs; vegetable-tanned calf has similar cycles but develops beautiful patina; shell cordovan can last 5–7 years thanks to natural density. Rotating straps seasonally and storing them in dry environments significantly extends functional life.