Longines · Heritage

Strap for Heritage Small Seconds 43mm

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

Lug width20 mm
Case diameter43 mm
ReferenceL2.826.4.53.2 (aka: L28264532)
FamilyHeritage
MovementLongines caliber L507.2 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 L2.826.4.53.2 (aka: L28264532)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Heritage L2.826.4.53.2 (aka: L28264532), seen from the bench

The Longines Heritage L2.826.4.53.2 is a contemporary interpretation of 20th-century sports chronographs that set aviation and competition standards. Part of the Heritage family, this 43mm stainless steel case features essential geometry with decided angles and solid proportions. The military-readable dial reflects the functional heritage of historical models, while the rotating bezel provides tactical versatility. The automatic Swiss caliber L507.2 beats at 4Hz with over three days of power reserve. Water-resistant to 300 meters (30 ATM), the watch includes a scratch-resistant sapphire crystal and a 20mm lug width for strap compatibility.

Frequently asked questions

What is the exact lug width of the Longines Heritage L2.826.4.53.2?

The lug width of the Longines Heritage L2.826.4.53.2 is 20mm. This measurement refers to the depth between the spring bar attachment holes on the case. To verify it, use a digital calliper or ruler positioned perpendicularly across the two holes. A 20mm strap will fit perfectly onto the lugs without forcing or slack.

What is the best strap for the Longines Heritage L2.826.4.53.2?

The best strap depends on intended use. For formal contexts, we recommend black alligator or vegetable-tanned calf leather in dark brown tones. For versatile daily wear, vegetable-tanned calf in cognac offers superior comfort and aesthetic ageing. For a sport-functional approach, black FKM rubber emphasises the watch's character as a historical tool.

How do you change the strap on the Longines Heritage L2.826.4.53.2?

The process is straightforward: position the watch on a soft surface with the dial facing downwards. Using a spring bar removal tool (or a non-aggressive pointed implement), gently push the lug pin from one side through to the other to extract it. Repeat on the opposite side. Align the new strap to the lugs and reinsert the pins using the reverse procedure. The operation takes less than two minutes.

Is an aftermarket strap compatible with the Longines Heritage L2.826.4.53.2?

Yes, provided the strap is calibrated for 20mm lug width. Artisanal quality straps, such as those offered by MilanoStraps, guarantee precise tolerances ensuring an impeccable fit. Always verify the lug width specification for the model to eliminate mounting errors.

How long does a leather strap last on a Longines Heritage L2.826.4.53.2?

Leather strap longevity varies depending on material and frequency of use. A quality vegetable-tanned calf, worn daily, typically lasts 3–5 years before showing wear signs. Shell cordovan is longer-lived (5–7 years) due to its dense fibre structure. Alligator, with moderate use, easily reaches 5–6 years. Regular maintenance (periodic cleaning, protection from sustained moisture) significantly extends service life.

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