Longines · Saint Imier

Strap for Saint-Imier Date 38.5

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
ReferenceL2.763.5.72.0 (aka: L27635720)
FamilySaint Imier
MovementLongines caliber L619.2 Hours, Minutes, Seconds | Date
CasePink Gold, Stainless 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 L2.763.5.72.0 (aka: L27635720)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Saint Imier L2.763.5.72.0 (aka: L27635720), seen from the bench

The Longines Saint Imier reference L2.763.5.72.0 is equipped with the L619.2 caliber with hour, minute, second and date functions. The movement offers a complete time indication with date complication. The Saint Imier collection represents a classic line in the Longines catalog with a traditional aesthetic.

Frequently asked questions

What is the lug width of the Longines Saint Imier L2.763.5.72.0?

The lug width of the Longines Saint Imier L2.763.5.72.0 is 20 millimetres. This dimension is standard for watches of this category and proportion. When purchasing an aftermarket strap, always verify exact compatibility with this measurement, as even 2 millimetres difference will create fitting issues with the case lugs.

What is the best strap for the Longines Saint Imier L2.763.5.72.0?

There is no single "best" option, but several choices depending on context. For formal elegance: alligator in cognac brown or black. For daily versatility: vegetable-tanned calf leather. For sportiness: high-grade rubber or fabric NATO. For collecting: shell cordovan. The choice depends on predominant usage and case variant (steel or rose gold).

How do I change the strap on the Longines Saint Imier L2.763.5.72.0?

To change the strap, position the watch on a soft surface. Using a dedicated tool (spring bar tool), gently push the elastic pin from the lug bar to completely release the old strap end. Repeat on the other side. Insert the new strap ends into the housings and ensure the elastic pins click into position. Verify secure fit before wearing.

Can I use a compatible 20mm aftermarket strap on this Longines?

Yes, any strap with a 20 millimetre lug width is compatible with the L2.763.5.72.0. Quality aftermarket straps allow you to personalise the timepiece whilst maintaining perfect fit to the case lugs. Choose materials that reflect your aesthetic preferences and intended usage.

How long does a leather strap last on the Longines Saint Imier?

Leather strap durability depends on material quality, intensive use, and maintenance. An alligator or shell cordovan strap, if exposed to moderate moisture and properly cared for, lasts 5-8 years. Vegetable-tanned calf resists 3-5 years. Avoid prolonged water immersion and apply protective balms every 6-12 months to extend 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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Casati Milano · Via XX Settembre 15, Milan · by appointment only