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
ReferenceL2.786.8.76.3 (aka: L27868763)
FamilyConquest Classic
MovementLongines caliber L688.2 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel
CasePink 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 Conquest Classic L2.786.8.76.3 (aka: L27868763)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Conquest Classic L2.786.8.76.3 (aka: L27868763), seen from the bench

The Conquest Classic is powered by the Longines L688.2 automatic caliber with column-wheel chronograph function. The movement offers hour, minute, small second and date indications, along with chronograph functionality. The case features a classic design with crown and pushers for the chronograph.

Frequently asked questions

What is the lug width of the Longines Conquest Classic L2.786.8.76.3?

The lug width of the Longines Conquest Classic L2.786.8.76.3 is 20 millimetres. This parameter refers to the distance measured between the inner edge of the upper lug and the inner edge of the lower lug on the case. It is essential for purchasing compatible straps. To measure accurately, remove the current strap and position a calliper perpendicular to the case, avoiding measurement from the outer lug edges, which would yield an oversized value.

Which strap is recommended for the Longines Conquest Classic L2.786.8.76.3 in rose gold?

For the Conquest Classic L2.786.8.76.3 in rose gold, alligator remains the most refined choice: its natural grain and the patina it develops over time create harmony with the warm tone of gold. Excellent alternatives include shell cordovan (which develops natural lustre), vegetable-tanned calf leather in cognac or burgundy tones, and smooth calf leather in slate grey. For more sporty profiles, NATO nylon or vulcanised rubber provides practicality whilst maintaining aesthetic coherence.

How do you change the strap on a Longines Conquest Classic L2.786.8.76.3?

To change the strap on the L2.786.8.76.3, identify the attachment type: this model uses spring bar attachments. Obtain a dedicated removal tool (spring bar tool or pin remover), then insert the lever tip into one of the lateral holes of the attachment to compress the spring, extract the bar, and remove the old strap. Insert the new strap by aligning the holes with the bars, then reposition the bars ensuring they are properly locked.

Is an aftermarket strap compatible with the Longines Conquest Classic L2.786.8.76.3?

Yes, any quality strap with a lug width of 20 millimetres and standard attachments (spring bar) is compatible with the L2.786.8.76.3. It is important to verify the exact lug width (20mm) and ensure the strap is designed for watches in this category, preferably with a finish that enhances the rose gold case material. Artisanal straps offer the possibility of personalisation in leather, colour, and construction details.

What is the average lifespan of a leather strap for the Longines Conquest Classic L2.786.8.76.3?

The lifespan of a leather strap depends on usage frequency, environmental conditions, and leather type. A quality alligator or shell cordovan strap can last 3-5 years with moderate daily use and appropriate maintenance. Vegetable-tanned calf leather, being more porous, generally lasts 2-3 years under normal conditions. Vulcanised rubber is the most durable, potentially exceeding 5 years. Regular maintenance—protection from excessive humidity and gentle cleaning—significantly extends the life of the strap.

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