Technical Archive

Longines
Elegant L4.287.9.11.0 (aka: L42879110)— lug 14mm

Longines Elegant L4.287.9.11.0 (aka: L42879110): 14mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Elegant Collection Automatic 29 Pink Gold / Diamond / White

Artisanal Note

"This model requires a precise 14mm lug width to preserve the original sartorial balance."

Lug Width

14 mm

The essential strap measurement.

Browse 14mm straps →

Reference

L4.287.9.11.0 (aka: L42879110)

Movement

Longines caliber L592.2 Hours, Minutes, Seconds | Date | Chronometer

The Heritage

The Longines Elegant reference L4.287.9.11.0 is equipped with the L592.2 caliber with hour, minute, second and date functions, certified as a chronometer. The watch features 14mm lugs. The movement guarantees chronometric precision according to official standards.

FAQ

What is the lug width of the Longines Elegant L4.287.9.11.0?

The lug width of the Longines Elegant L4.287.9.11.0 is 14mm. This measurement is proportionate to the compact 29mm case diameter and must be respected precisely to maintain the aesthetic balance of the timepiece. A strap of different width would result in visible asymmetry between the case and the wrist.

Which strap do you recommend for the Longines Elegant L4.287.9.11.0 in rose gold?

For the rose gold of this model, we recommend alligator leather in neutral tones (white, ash grey), brown medium shell cordovan for those desiring an amber patina over time, or vegetable-tanned calf leather that ages beautifully. Avoid straps in coarse synthetic rubber or raw steel, which undermine the chromatic harmony with gold.

How do you change the strap on the Longines Elegant L4.287.9.11.0?

Strap removal requires a spring bar tool or remove bar with dual ends in steel. Position the watch on a soft surface, locate the small hole on the inner side of each lug, gently insert the tool's tip to depress the internal spring pin, and slide out the old strap. Insert the new 14mm strap ensuring the pin closes fully into the hole.

Which aftermarket strap is compatible with reference L4.287.9.11.0?

Any strap with certified 14mm lug width is compatible with the L4.287.9.11.0. Ensure the strap is specifically labelled for 14mm and that the internal diameter of the strap itself is compatible with your wrist (typically 18–21cm). Avoid generic '14–16mm' straps offering excessive variability.

How long does a leather strap last on a Longines Elegant?

A quality leather strap (alligator, calf, or shell cordovan) typically lasts 3–5 years with daily wear. Longevity depends on environmental exposure (humidity, perspiration, UV rays), frequency of use, and maintenance. Vegetable-tanned leather generally lasts longer than chrome-tanned leather, as it absorbs natural patina without degrading. Annual replacements are common for those rotating straps seasonally.