Longines · Conquest

Strap for Conquest 29.5 Automatic Stainless Steel Silver

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
ReferenceL3.276.4.76.6 (aka: L32764766)
FamilyConquest
MovementLongines caliber L595 Hours, 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 L3.276.4.76.6 (aka: L32764766), seen from the bench

The Conquest represents one of Longines' sports lines, characterized by hour, minute, second and date functions. The watch is equipped with the Longines L595 caliber with date indication. The reference L3.276.4.76.6 features 15mm lugs.

Frequently asked questions

What is the lug width of the Longines Conquest L3.276.4.76.6?

The Longines Conquest L3.276.4.76.6 features a lug width of 15mm, a non-standard dimension requiring careful attention when selecting aftermarket straps. To verify with precision, measure the internal space between the lateral lugs of the case using a digital calliper: the width must be exactly 15mm to ensure complete compatibility.

What is the best strap for the Longines Conquest L3.276.4.76.6?

Strap selection depends on usage and aesthetic preferences. Natural alligator with vegetable tanning enhances the sobriety of the brushed steel case; vegetable-tanned calf leather develops rich patina over time; cotton-silk NATO straps offer sporting versatility; FKM rubber ensures water-resistance and minimal maintenance. All these materials highlight different facets of the timepiece.

How do you change the strap on the Longines Conquest L3.276.4.76.6?

Strap replacement requires a spring bar remover tool to extract the lateral pins from the case. Position the watch on a soft surface, insert the bifurcated end of the spring bar remover beneath the pin, press gently inward to compress the internal spring, then extract the pin. Repeat on the opposite side, insert the new pins into the strap, and secure them to the case with reverse motion.

Is the Longines Conquest L3.276.4.76.6 compatible with standard aftermarket straps?

Yes, but with one critical condition: the 15mm lug width is a specific constructive feature. Standard 16mm, 18mm or 20mm straps are not compatible. You must source straps specifically manufactured for 15mm lugs, such as those in the dedicated catalogue. Always verify width before purchase.

How long does a leather strap last on the Longines Conquest L3.276.4.76.6?

A quality artisanal leather strap, vegetable-tanned, lasts approximately 18-36 months with moderate daily wear. Durability depends on sun exposure, humidity, frequency of use and tanning quality. Milano Straps, crafted with premium leathers and an 18-month warranty, are designed to age elegantly rather than deteriorate rapidly, developing characteristic patina over time.

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