Longines · Conquest Classic

Strap for Conquest Classic 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 diameter41 mm
ReferenceL2.786.5.76.7 (aka: L27865767)
FamilyConquest Classic
MovementLongines caliber L688.2 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel
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 Conquest Classic L2.786.5.76.7 (aka: L27865767)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Conquest Classic L2.786.5.76.7 (aka: L27865767), seen from the bench

The Longines Conquest Classic L2.786.5.76.7 is a chronograph from the renowned Conquest family, featuring a bicolor stainless steel and 18k rose gold case measuring 41mm in diameter. It houses the Longines L688.2 caliber, a column-wheel chronograph movement with hours, minutes, small seconds, date and chronograph function. The 20mm lug width ensures optimal proportions between case and wrist. This model combines sportive rigor with refined sophistication characteristic of Saint-Imier manufacture.

Frequently asked questions

What is the lug width of the Longines Conquest Classic L2.786.5.76.7?

The lug width of the Longines Conquest Classic L2.786.5.76.7 is precisely 20 millimetres. This measurement is taken from the centre of one lug hole to the centre of the opposite lug hole, perpendicular to the case. Compatible straps must adhere strictly to this specification to ensure proper fit without gaps or uneven tension.

Which type of strap is best suited for the Longines Conquest Classic L2.786.5.76.7?

For the two-tone stainless steel and 18-carat rose gold case, alligator leather remains the most elegant and semantically coherent choice, particularly in black or cognac tones. Shell cordovan offers a sophisticated alternative with distinctive patina development. Vegetable-tanned calf leather provides sustainability without aesthetic compromise. For those seeking sportive versatility, a technically engineered rubber strap maintains correct proportions. The buckle must be a stainless steel or rose gold deployante.

How do you change the strap on a Longines Conquest Classic L2.786.5.76.7?

Strap replacement on the L2.786.5.76.7 requires a dedicated lug removal tool. Position the watch with the lugs facing upward, locate the small access hole on the case side adjacent to each lug, insert the removal tool, and gently push to slide the pin out. Once extracted, the strap releases freely. Repeat the procedure symmetrically on the opposite lug. This operation demands precision; if inexperienced, consult a qualified watchmaker.

Are aftermarket straps compatible with the Longines Conquest Classic L2.786.5.76.7?

Yes, the L2.786.5.76.7 fully accommodates quality aftermarket straps with 20mm lug width, provided they meet standard specifications for width and thickness. Artisanal straps featuring stainless steel or rose gold deployante clasp ensure seamless replacement without compromise. Verification that the deployante is proportionally scaled to the 41mm case diameter and that stitching is robust and expertly executed is essential.

What is the typical lifespan of a leather strap on a Longines Conquest Classic L2.786.5.76.7?

A quality leather strap, crafted from vegetable-tanned leather or shell cordovan, typically endures 3–5 years under regular moderate use. Longevity depends on exposure to moisture, salt air, and perspiration. Alligator and shell cordovan develop distinctive patina whilst resisting mechanical wear more effectively. Proper maintenance—drying after rain, protection from direct heat sources—significantly extends strap lifespan. Bespoke artisanal straps backed by 18-month warranty offer quality assurance.

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