Longines · Conquest V.H.P.

Strap for Conquest V.H.P. GMT 43 PVD / Carbon / Rubber

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

Lug width22 mm
Case diameter43 mm
ReferenceL3.728.2.66.9 (aka: L37282669)
FamilyConquest V.H.P.
MovementLongines caliber L287.2 hours, minutes, seconds, Additional 24 hours Hand (adjustable) | date | connected
Year2018
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. L3.728.2.66.9 (aka: L37282669)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Conquest V.H.P. L3.728.2.66.9 (aka: L37282669), seen from the bench

The Longines Conquest V.H.P. GMT 43 PVD/Carbon (ref. L3.728.2.66.9) is a 43mm stainless steel sports watch from the historic Conquest line. Powered by the L287.2 quartz chronometer movement certified for precision exceeding ±5 seconds per month, it features hours, minutes, seconds, adjustable 24-hour hand, and date display. With a 22mm lug width and 100m water resistance, this model combines technical accuracy with robust construction.

Frequently asked questions

What is the lug width of the Longines Conquest V.H.P. L3.728.2.66.9?

The Longines Conquest V.H.P. L3.728.2.66.9 features a 32mm lug width, specifically calibrated for the 43mm case to maintain balanced proportions. The measurement is taken externally between the two lower lugs using a digital calliper. This non-standard width excludes generic universal straps from compatibility.

Which strap material is recommended for the Longines Conquest V.H.P.?

Recommended materials for the Conquest V.H.P. L3.728.2.66.9 include genuine alligator (black or cognac brown), vegetable-tanned calf leather, medium-grain Baiadera calf, robust cotton NATO straps, or technical rubber. Black alligator creates formal tool watch aesthetics; vegetable-tanned cognac develops patina over time; slate grey calf provides contemporary monochromatic appeal. Material selection depends on intended use: alligator for formal settings, vegetable leather for evolving aesthetics, NATO or rubber for sports applications.

How do you change the strap on a Longines Conquest V.H.P. L3.728.2.66.9?

Strap replacement requires removing the spring bars securing the lugs to the case. Use a dedicated spring bar tool to push the primary pin laterally inward, releasing the lug. Extract the original strap and align the new strap's holes with the case pins. Reposition the spring bar ensuring it locks firmly in place. Some straps require vertical length adjustment: consult specifications prior to purchase to ensure proper fit.

Are aftermarket straps compatible with the Longines L3.728.2.66.9?

Yes, with limitations. The 32mm lug width excludes standard universal straps (20-22mm). Aftermarket compatibility requires explicitly selecting 32mm straps from specialised retailers such as Milano Straps. Verification of total strap length is essential to your wrist size: lug width alone does not guarantee comfort without adequate free-length proportions.

What is the lifespan of a leather strap for the Longines Conquest V.H.P.?

An authentic alligator strap with vegetable tanning typically lasts 5-7 years with moderate daily use. Longevity depends on usage frequency, water exposure, humidity conditions, and maintenance practices. Calf leather straps generally last 4-6 years. Technical rubber offers superior durability (7-10 years), especially with frequent water exposure. Proper drying after water contact and protection from heat sources significantly extend strap 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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Casati Milano · Via XX Settembre 15, Milan · by appointment only