Longines · Conquest V.H.P.

Strap for Conquest V.H.P. Chronograph 44 Stainless Steel / Silver / Bracelet

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter44 mm
ReferenceL3.727.4.76.6 (aka: L37274766)
FamilyConquest V.H.P.
MovementLongines caliber L289.2 hours, minutes, small seconds | date | Chronograph
Year2017
CaseStainless 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 V.H.P. L3.727.4.76.6 (aka: L37274766)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Conquest V.H.P. L3.727.4.76.6 (aka: L37274766), seen from the bench

The Conquest V.H.P. uses the Longines L289.2 quartz caliber with hour, minute, small seconds, date, and chronograph functions. The L3.727.4.76.6 reference features 22mm lugs. The V.H.P. (Very High Precision) movement guarantees high accuracy through quartz technology.

Frequently asked questions

What is the lug width of the Longines Conquest V.H.P. L3.727.4.76.6?

The lug width is precisely 22mm. This measurement indicates the distance between the two lugs (the lateral protrusions on the case) and is essential for selecting a compatible strap. Measure with a digital calliper the width of the space where the strap sits on the case. An incompatible strap may damage the lugs or slip during wear.

Which strap material is best suited for the Conquest V.H.P. L3.727.4.76.6?

The choice depends on intended use. For formal elegance, alligator or shell cordovan deliver a noble patina and consistent grain structure. For daily wear in humid environments, vegetable-tanned calf develops a controlled patina over time. For intensive sports and marine contexts, NATO nylon or fluorosilicone rubber resist water absorption without compromise. The Conquest, being a 44mm chronograph, accommodates both luxurious and technical strap solutions equally well.

How do I change the strap on my Longines Conquest V.H.P.?

The Conquest V.H.P. uses spring-bar lugs (not a movable barrel). You will require a spring-bar tool or a small flat-head screwdriver. Insert the tip under the lug, applying gentle pressure until the internal spring releases, then slide the lug outward. Repeat for both sides. Install the new strap by aligning the lug holes with the case holes and push firmly until the spring catches. Do not force: the catch should engage smoothly.

Can I fit an aftermarket 22mm compatible strap?

Yes, absolutely. The Conquest V.H.P. L3.727.4.76.6 accepts any strap with standard 22mm lugs. Quality aftermarket straps—alligator, cordovan, calf, NATO—install without structural modification. Verify only that the lug diameter matches: too thin may loosen over time; too thick may not seat correctly. The tolerance margin is tight, approximately 0.2mm.

What is the lifespan of a natural leather strap on the Conquest?

Durability depends on use and tanning method. An alligator or shell cordovan strap, properly maintained (protected from frequent liquids, dried promptly after rain, rotated with other straps), lasts 4–6 years before visible seam deterioration. Vegetable-tanned calf lasts 3–4 years under daily intensive use. Rubber and NATO achieve longer service life (8–10 years) but lose elasticity more gradually. Casati Milano workshop provides straps with 18-month warranty and offers buckle replacement or re-stitching services.

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