Longines · Heritage

Strap for Heritage 38.5 Small Seconds Sector Dial

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter39 mm
ReferenceL2.828.4.73.2 (aka: L28284732)
FamilyHeritage
MovementLongines caliber L893.5 Hours, Minutes, Small Seconds
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Heritage L2.828.4.73.2 (aka: L28284732)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Heritage L2.828.4.73.2 (aka: L28284732), seen from the bench

The Longines Heritage L2.828.4.73.2 (Heritage 38.5 Small Seconds Sector Dial) features a 38.50 mm stainless steel case with a 20 mm lug width. Powered by the automatic L893.5 calibre, it displays hours, minutes, and small seconds. This classic timepiece reflects Longines' Swiss watchmaking tradition from Saint-Imier, combining proportions typical of 1950s-60s horology with contemporary reliability and legibility.

Frequently asked questions

What is the lug width of the Longines Heritage L2.828.4.73.2?

The lug width of the Longines Heritage L2.828.4.73.2 is 20 millimetres. This dimension corresponds to the distance between the two spring bar holes on the watch case lugs. It is essential to verify this measurement before purchasing an aftermarket strap to ensure perfect compatibility and correct ergonomic fit on the wrist.

Which type of strap is best suited for the Longines Heritage L2.828.4.73.2?

The Longines Heritage L2.828.4.73.2 pairs excellently with alligator leather straps in brown or navy blue, which reflect the classic and understated character of the model. Shell cordovan and vegetable-tanned calf leather straps are also exceptional choices, as these materials develop a rich patina over time. For more versatile everyday use, NATO straps in canvas or structured rubber are functional and discreet alternatives.

How do you change the strap on the Longines Heritage L2.828.4.73.2?

Strap replacement is accomplished by removing the original strap through extraction of the spring bars that connect the watch case lugs. Using a small lever tool (spring bar tool), apply gentle pressure beneath the spring bar until it disengages from its seat. Insert the spring bar into the new strap and reinsert it into the case. It is advisable to perform this operation on a clean surface to prevent loss of the spring bars.

Are aftermarket straps compatible with the Longines Heritage L2.828.4.73.2?

Yes, any strap with a 20mm lug width is compatible with the Longines Heritage L2.828.4.73.2. A wide range of handcrafted and customisable straps in premium materials (alligator, calf leather, cordovan) are available from specialist retailers online. Always verify the declared lug width before purchase to avoid incompatibility issues.

How long does a leather strap last on the Longines Heritage L2.828.4.73.2?

A high-quality leather strap (alligator, vegetable-tanned calf or shell cordovan) can last between 3 to 7 years with regular use and proper maintenance. Longevity depends on intensity of use, construction quality, tanning method and environmental conditions (humidity, sun exposure). Regular cleaning and storage in a dry environment significantly extend the lifespan of the strap.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only