Longines · Conquest Heritage

Strap for Conquest Heritage Pink Gold Black

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

Lug width20 mm
Case diameter35 mm
ReferenceL1.611.8.52.4 (aka: L16118524)
FamilyConquest Heritage
MovementLongines caliber L633.5 Hours, Minutes, Seconds | Date
CasePink Gold

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 Heritage L1.611.8.52.4 (aka: L16118524)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

Frequently asked questions

What is the lug width of the Longines Conquest Heritage L1.611.8.52.4?

The lug width of the Longines Conquest Heritage L1.611.8.52.4 is 20mm. This is the distance between the two suspension pins on the case, measured perpendicularly. This measurement is essential for selecting a compatible strap. To verify it, use a digital calliper positioned between the two inner lugs of the case.

Which strap pairs best with the Conquest Heritage L1.611.8.52.4?

For the L1.611.8.52.4 in rose gold, black or dark brown alligator represents the optimal aesthetic choice: the fine grain enhances the luminosity of rose gold without competing visually. Alternatively, vegetable-tanned calf in cognac or shell cordovan in burgundy create equally sophisticated pairings. For more casual contexts, a grey silk NATO maintains elegance without excess.

How do you change the strap on the Longines Conquest Heritage L1.611.8.52.4?

Strap replacement requires extraction of the suspension pins from the case. Use a spring bar tool to gently compress the pin, creating the necessary space to extract it from the lugs. Insert the pin into the hole of the new strap, position it on the right lug, compress the pin and insert it into the left lug. The operation requires patience and precision, but is easily performed at home with the correct tools.

Are there aftermarket straps compatible with the Longines L1.611.8.52.4?

Yes, all straps with a 20mm lug width are geometrically compatible with the L1.611.8.52.4. However, not all aftermarket straps match the aesthetic and construction quality of the watch. Alligator straps from excellent tanneries, vegetable-tanned calf and shell cordovan guarantee both technical and aesthetic compatibility. Avoid rubber or low-quality fabric straps that would compromise overall elegance.

What is the average lifespan of a leather strap on a watch like the Conquest Heritage?

A premium leather strap, made from vegetable tanning and quality hides, lasts an average of 3-5 years with daily wear, varying according to ambient humidity, sun exposure and frequency of wear. Alligator tends to last longer due to the skin structure, while calf requires periodic maintenance with specific oils. A shell cordovan strap can exceed 7 years while maintaining elasticity and aesthetic beauty.

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