Longines · Conquest Classic

Strap for Conquest Classic Quartz 29.5 Stainless Steel - Diamond / MOP

Takes 15 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width15 mm
Case diameter30 mm
ReferenceL2.286.0.87.6
FamilyConquest Classic
MovementLongines caliber L152 Hours, Jumping 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

The Conquest Classic L2.286.0.87.6, seen from the bench

The Conquest Classic uses the Longines L152 caliber with jumping hours, minutes, seconds and date functions. The case features 15mm lugs. The movement offers date indication in addition to the standard time functions.

Frequently asked questions

What is the lug width of the Longines Conquest Classic L2.286.0.87.6?

The Longines Conquest Classic L2.286.0.87.6 features a lug width of 15mm. This non-standard dimension, compared to conventional 18mm or 20mm sizes, reflects the compact and proportionate design of the 29.50mm case. The measurement is determined by measuring the linear distance between the two lugs with a digital calliper positioned perpendicular to the lugs.

Which strap is best suited for this model?

Fine-grained alligator represents the optimal choice from both aesthetic and tactile perspectives. The natural texture of American alligator dialogues perfectly with the geometric purity of the Conquest Classic, developing mature patina over time. Alternatively, vegetable-tanned calf leather offers elegance and sustainability, with a velvety grain that creates progressive patina and communicates artisanal authenticity.

How do you change the strap on the Longines Conquest Classic L2.286.0.87.6?

Strap replacement requires a spring bar tool (a specific tool for removing lug pins). Position the tool in the small lateral hole of the lug and push the pin downward until it disengages from its seat. Once the pin is removed, the strap detaches easily. When installing the new strap, align the internal holes with the pins and apply gentle pressure until the engagement click is felt.

Are aftermarket straps compatible with the Longines Conquest Classic L2.286.0.87.6?

Yes, provided the lug width is exactly 15mm. Many aftermarket straps feature standard widths (18mm or 20mm) and will not fit into the Conquest's lug slots. The milanostraps.it collection offers straps specifically designed for 15mm width, in various materials (alligator, calf, shell cordovan, rubber), ensuring perfect compatibility and artisanal quality.

What is the lifespan of a leather strap for a watch like the Longines Conquest Classic L2.286.0.87.6?

A high-quality leather strap, crafted with vegetable tanning, maintains structural integrity for 5-8 years with regular use and appropriate maintenance. Vegetable-tanned calf develops patina and becomes softer over time, extending its functional lifespan. Vintage Tropic rubber offers similar durability, 5-7 years, depending on sun and humidity exposure. Shell cordovan or superior-quality alligator straps can exceed 10 years of use.

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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