Longines · Conquest

Strap for Conquest 34 Stainless Steel - Pink Gold / Silver / Bracelet

Takes 17 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width17 mm
Case diameter34 mm
ReferenceL3.430.5.72.6
FamilyConquest
MovementLongines caliber L888.5 Hours, Minutes, Seconds | Date | Chronometer
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

The Conquest L3.430.5.72.6, seen from the bench

The Conquest represents Longines' sports collection characterized by robustness and precision. It features the automatic caliber L888.5 with chronometer certification, indication of hours, minutes, seconds and date. It has 17mm lugs for the strap.

Frequently asked questions

What is the lug width of the Longines Conquest L3.430.5.72.6?

The Longines Conquest L3.430.5.72.6 features a 17 mm lug width. This measurement is the specific standard for this model and is essential for selecting a compatible strap. To verify the lug width correctly, measure the perpendicular distance between the two threaded lugs (also called spring bars or strap attachments) on the case, without any strap mounted.

Which strap is best suited for the Longines Conquest L3.430.5.72.6?

Given the 34 mm case diameter and rose gold/steel bicolour construction, alligator leather in grey or cognac tones offers the finest aesthetic balance. For a more robust and authentic approach, vegetable-tanned calf leather with natural patina enhances the watch's classical character. Shell cordovan is ideal if you seek extreme durability and chromatic evolution over time. Your choice depends on the intended use and personal colour preferences.

How do I change the strap on the Longines Conquest L3.430.5.72.6?

Strap replacement on this model is accomplished via threaded lugs on the case. Use a flat tool (such as a rubber ball or dedicated strap lever) to gently open the lugs, carefully removing the existing strap. Insert the new strap ensuring that the strap ends seat properly within the lugs, then close the lugs by rotating them by hand until locked. Avoid over-tightening to prevent damage to the threads.

Can I fit an aftermarket 17 mm strap on my Conquest L3.430.5.72.6?

Absolutely. Any strap featuring a 17 mm lug width is compatible with the Conquest L3.430.5.72.6, regardless of brand or material. It is advisable to select thicknesses between 3.5 and 4.5 mm to maintain balanced proportions relative to the 34 mm case diameter. Always verify exact measurements before purchase to avoid incompatibilities.

How long does a leather strap last on a watch like the Conquest L3.430.5.72.6?

Leather strap durability varies according to material type and usage patterns. Quality alligator, with moderate daily wear, maintains structural integrity for 3–4 years. Shell cordovan is considerably more durable, easily exceeding 5–6 years of intensive use. Vegetable-tanned calf achieves 2–3 years with regular care. Exposure to sunlight, moisture, and perspiration accelerates ageing. Periodic maintenance and rotating between multiple straps significantly extends product lifespan.

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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