Longines · Saint Imier

Strap for Saint-Imier Chronograph

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
ReferenceL2.753.8.72.3 (aka: L27538723)
FamilySaint Imier
MovementLongines caliber L688.2 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel
CaseRed Gold

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 L2.753.8.72.3 (aka: L27538723)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Saint Imier L2.753.8.72.3 (aka: L27538723), seen from the bench

The Saint-Imier is a chronograph from the Longines collection that takes the name of the Swiss town where the manufacture was founded in 1832. It mounts the automatic L688.2 caliber with column-wheel chronograph function, small seconds and date indication. The L2.753.8.72.3 reference presents a configuration with an automatic mechanical movement.

Frequently asked questions

What is the lug width of the Longines Saint Imier L2.753.8.72.3?

The Longines Saint Imier L2.753.8.72.3 features a lug width of 20mm. This measurement is taken using a calliper positioned between the case lugs at the strap attachment points, excluding buckles and keepers. Precise measurement is essential to ensure correct fitting and optimal stability when worn.

What is the best strap material for the Longines Saint Imier L2.753.8.72.3?

For this rose gold chronograph, the most aesthetically coherent materials are alligator in dark brown shades, shell cordovan that patinas naturally over time, and vegetable-tanned calf leather with pronounced grain. Selection depends on intended use: alligator for daily elegance, shell cordovan for formal occasions, and grained calf for seasonal versatility.

How do I change the strap on my Longines Saint Imier L2.753.8.72.3?

Remove the strap by extracting the spring bars that connect the case lugs. Use a dedicated spring bar tool to compress the springs, then withdraw the old strap. Insert the new strap by aligning the holes with the case pins and allowing the springs to lock into position. Always verify secure fitting before wearing the watch.

Is an aftermarket 20mm strap compatible with my Longines Saint Imier L2.753.8.72.3?

Yes, any strap with a 20mm lug width is compatible with the L2.753.8.72.3, provided the measurement is verified with precision. The artisanal straps available on milanostraps.it are specifically designed and tested for this measurement, guaranteeing correct installation and stability. Always verify total strap length according to your wrist circumference.

How long does a natural leather strap last on the Longines Saint Imier L2.753.8.72.3?

The lifespan of a natural leather strap depends on usage patterns, tanning method, and maintenance. An alligator or shell cordovan strap, with ordinary care and protection from excessive moisture, can last 4–7 years with daily wear. Vegetable-tanned leather typically lasts slightly less but develops a fascinating patina. Buckle replacement is generally possible, thus extending the accessory's useful 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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