Technical Archive

Longines
1832 L4.827.4.92.2— lug 20mm

Longines 1832 L4.827.4.92.2: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

1832 Annual Calendar 40 Stainless Steel / Black

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Longines L4.827.4.92.2
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

L4.827.4.92.2

Movement

Longines caliber L897.5 Hours, Minutes, Seconds | Date, Annual Calendar, Month | Chronometer

The Heritage

The Longines 1832 is powered by the L897.5 caliber with functions of hours, minutes, seconds, date, and annual calendar with month indication. The movement is chronometer certified to ensure temporal precision. The watch features 20mm lugs for the strap.

FAQ

What is the lug width of the Longines 1832 L4.827.4.92.2?

The lug width of the Longines 1832 L4.827.4.92.2 is 20 millimetres. This measurement represents the distance between the inner shoulders of the case lugs and determines which strap is compatible with this timepiece. It is essential to verify this specification before purchasing an aftermarket strap, as an incorrect size would compromise the fit and ergonomics of the watch.

Which strap material is recommended for the Longines 1832 L4.827.4.92.2?

The Longines 1832 L4.827.4.92.2 pairs exceptionally well with alligator for formal occasions, calf leather for versatile daily wear, and NATO canvas for sporting or casual contexts. The choice depends on the intended use and personal preferences. Alligator leather, vegetable-tanned, ages beautifully, developing a patina that enhances the watch's classical character; calf offers immediate comfort and lasting durability; NATO straps in cotton-silk provide practicality and aesthetic dynamism.

How do you change the strap on the Longines 1832 L4.827.4.92.2?

The strap is changed by removing the spring bars positioned at the ends of the lugs. Using a spring bar tool, apply gentle pressure to compress the bar slightly, creating enough space to extract it. Once the bar is removed, the old strap slides off easily. Insert the new strap by aligning the holes with the bars, then reposition the bars into their slots until they click into place. This procedure requires care to avoid scratching the brushed stainless steel case.

Is a 20mm strap compatible with other Longines watches?

A 20mm strap is compatible exclusively with watches that have a lug width of 20 millimetres. Many Longines models from the Heritage and Conquest collections use this measurement, but it is essential to verify the technical specifications of your watch before purchasing. Common lug widths are 18mm, 20mm, 22mm, and 24mm; an error would result in complete incompatibility.

What is the typical lifespan of a leather strap for this watch?

A quality leather strap, crafted from materials such as alligator or calf, typically lasts 3 to 5 years with regular daily wear, assuming proper maintenance. Longevity depends on frequency of wear, ambient humidity, and care applied: avoid prolonged water immersion, protect the strap from excessive perspiration, and periodically apply leather-specific creams to extend the strap's life significantly. Straps made at Casati Milano using noble leathers and hand-stitching can exceed 7 to 8 years of intensive use.