Longines · Conquest Classic

Strap for Conquest Classic Automatic 29.5 Stainless Steel / Red Gold / Black / Strap

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter30 mm
ReferenceL2.285.5.56.3 (aka: L22855563)
FamilyConquest Classic
MovementLongines caliber L592.2 hours, minutes, seconds | date | chronometer
Year2016 - 2020
CaseRed 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 L2.285.5.56.3 (aka: L22855563)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Conquest Classic L2.285.5.56.3 (aka: L22855563), seen from the bench

The Conquest Classic features the Longines L592.2 caliber with hour, minute, second and date functions, certified as a chronometer. The movement guarantees chronometric precision according to official standards. The L2.285.5.56.3 reference is one of the variants of the Swiss brand's Conquest Classic collection.

Frequently asked questions

What is the lug width of the Longines Conquest Classic L2.285.5.56.3?

The lug width is 20mm. This measurement is specific to the Conquest Classic L2.285.5.56.3 and determines compatibility with aftermarket straps. Always verify the lug width before purchasing to ensure proper fit between case and strap.

Which strap pairs best with the Longines Conquest Classic L2.285.5.56.3?

We recommend brushed calf leather in brown or black tones, or natural alligator. The Conquest Classic benefits from refined straps that enhance its compact proportions: avoid coarse textures. Shell cordovan is an excellent alternative, developing a fascinating patina over time whilst harmonising with the watch's sport-classic character.

How do I change the strap on the Longines Conquest Classic L2.285.5.56.3?

Remove the lugs (the spring bars connecting the strap to the case) using a dedicated tool. Extract the bars from the case and insert them into the new strap, aligning them with the lug slots. The operation is straightforward but requires care to avoid scratching the case. If inexperienced, consult a professional watchmaker.

Can I use an aftermarket compatible strap on my Longines Conquest Classic L2.285.5.56.3?

Yes, absolutely. The Conquest Classic L2.285.5.56.3 accepts quality aftermarket straps with 20mm lug width. Artisanal leather or rubber straps offer greater aesthetic versatility and personalisation than the original. Simply verify that the strap is compatible with 20mm lug width.

How long does a leather strap last on the Longines Conquest Classic L2.285.5.56.3?

A quality leather strap typically lasts 2–4 years with daily wear. Longevity depends on tanning method (vegetable tanning outperforms industrial tanning), environmental humidity, and maintenance. Alligator and shell cordovan straps offer superior durability. To maximise lifespan, avoid prolonged water exposure and occasionally apply strap-specific balms.

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