Longines · Saint Imier

Strap for Saint-Imier Date 41

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

Lug width20 mm
Case diameter41 mm
ReferenceL2.766.4.79.0 (aka: L27664790)
FamilySaint Imier
MovementLongines caliber L619.2 Hours, Minutes, Seconds | Date
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 Saint Imier L2.766.4.79.0 (aka: L27664790)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Saint Imier L2.766.4.79.0 (aka: L27664790), seen from the bench

The Longines Saint-Imier L2.766.4.79.0 is a mechanical watch with manual-winding caliber L619.2, rooted in the brand's 1832 foundation in Saint-Imier. The 41mm stainless steel case combines classical proportions with functional design, featuring a sober dial that maintains the visual hierarchy of vintage Longines models. With a 20mm lug width, this dress watch suits medium to large wrists and reflects the brand's authentic watchmaking heritage without superfluous aesthetic elements.

Frequently asked questions

What is the lug width of the Longines Saint-Imier L2.766.4.79.0?

The lug width (strap width) of the Longines Saint-Imier L2.766.4.79.0 is 20mm. This measurement is the distance between the axles of the attachment pins on the case and determines the usable space for strap installation. You can verify this measurement using a digital calliper positioned perpendicularly across the lugs at their midpoint.

Which strap is most suitable for the Longines Saint-Imier L2.766.4.79.0?

For the Saint-Imier L2.766.4.79.0, a satinised alligator strap with natural tanning represents the most coherent choice with the model's formal stylistic code. Alternatively, vegetable-tanned calf leather offers versatility by allowing natural patina development over time. For casual use, vulcanised rubber is practical but diminishes the overall elegance of the composition.

How do I change the strap on my Longines Saint-Imier L2.766.4.79.0?

Strap replacement is performed by removing the attachment pins from the case lugs. Use a spring bar tool, inserting the tip into the dedicated slot on the pin to compress and release the previous strap. Insert the new strap by aligning the holes with the pins, ensuring the pin is fully engaged. For precision work, consult specialised professionals.

Can I use an aftermarket strap with 20mm lug width on my Saint-Imier?

Yes, any compatible 20mm strap can be mounted on the Longines Saint-Imier L2.766.4.79.0. High-quality artisanal straps crafted from noble leathers and appropriate finishes can transform the watch's daily use experience and, with proper stitching, guarantee durability and reliable installation. Ensure the strap is constructed with adequate thickness (approximately 3–4mm) to visually support the case.

How long does a leather strap last on a watch like the Saint-Imier L2.766.4.79.0?

Leather strap longevity depends on usage patterns and material quality. An alligator or vegetable-tanned calf strap, used in business environments (not exposed to excessive perspiration or humidity), typically lasts 3–5 years. Shell cordovan or premium vegetable-tanned leathers can exceed 5 years whilst maintaining structural integrity. Exposure to water, perspiration, and heat accelerates deterioration. Regular maintenance (gentle cloth cleaning and storage in dry environments) significantly extends strap lifespan.

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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