Longines
La Grande Classique L4.866.4.51.2— lug 20mm
Longines La Grande Classique L4.866.4.51.2: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Longines L4.866.4.51.2The essential strap measurement.
Browse 20mm straps →L4.866.4.51.2
Longines caliber L420 Hours, Minutes
The Heritage
Compatible Straps
Selected for the 20mm lug width of the La Grande Classique
FAQ
What is the lug width of the Longines La Grande Classique L4.866.4.51.2?
The lug width is 20mm. This dimension corresponds to the distance between the two shoulders of the case where the strap is inserted. It is essential to verify this measurement before purchase to ensure complete compatibility of the strap with your timepiece.
Which strap should I pair with the Longines La Grande Classique L4.866.4.51.2?
The best choice is an alligator with vegetable tanning in dark brown or natural tones: the characteristic rectangular texture of the leather dialogues perfectly with the enamelled dial. Alternatively, a smooth calf leather in black or bordeaux offers formal elegance. Rubber or NATO straps represent a casual reinterpretation of the model.
How do I change the strap on the Longines La Grande Classique L4.866.4.51.2?
The replacement requires specific tools: a small Phillips screwdriver to remove the spring bars that secure the strap to the lugs. Gently insert the tool under the spring terminal, lift and slide out the old strap. Position the new strap and re-engage the spring bars until you feel the safety click. If you are not experienced, consult a professional.
Can I use an aftermarket strap compatible with the 20mm lug width?
Yes, absolutely. Many quality artisanal straps are available in 20mm size. Always verify that the width is exactly 20mm and that the spring bar holes are correctly spaced according to standard. Custom-made straps offer optimal fitting for your Longines.
What is the average lifespan of a leather strap for this watch?
A quality leather strap, with vegetable tanning, lasts on average 4-7 years with daily wear. Longevity depends on climate (humidity accelerates wear), frequency of use and care. A strap subject to natural patina improves aesthetically over time, developing character. The 18-month warranty covers manufacturing defects.