Longines · Conquest

Strap for Conquest Quartz 29.5 Stainless Steel - Red Gold / MOP

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
ReferenceL3.376.3.88.7
FamilyConquest
MovementLongines caliber L152 hours, jumping 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

Frequently asked questions

What is the exact lug width of the Longines Conquest L3.376.3.88.7?

The lug width of the Longines Conquest L3.376.3.88.7 is exactly 15 millimetres. This dimension represents the space between the two attachment pins on the case and should not be confused with wrist circumference. A correctly sized strap must be precisely 15mm wide at the attachment point, otherwise it will not seat properly on the case.

Which strap material pairs best with the Longines Conquest L3.376.3.88.7?

For the Conquest L3.376.3.88.7, we recommend alligator leather in Barenia whiskey or medium brown tones, which creates visual continuity with the brushed stainless steel case finish. Vegetable-tanned calf leather is ideal if you seek natural ageing and personal patina development over time. For informal contexts, a heavy cotton NATO maintains the sport character of the model.

How do you change the strap on the Longines Conquest L3.376.3.88.7?

Strap removal is performed using a spring bar tool to remove the elastic pins securing the strap to the case. Position the tool beneath the upper lug, gently press downward to compress the pin spring, then extract the pin. Repeat on the lower lug. Reverse the procedure with the new strap, ensuring the pins click fully into position.

Is a quality aftermarket strap compatible with the Longines Conquest L3.376.3.88.7?

Yes, any strap with a 15mm lug width is compatible with the Conquest L3.376.3.88.7, provided it is correctly manufactured and the spring bars are appropriately sized and tensioned. Quality artisanal leather straps often offer superior ergonomics and patina control compared to factory replacement straps, thanks to personalised material selection.

How long does a natural leather strap last on the Longines Conquest L3.376.3.88.7?

A quality natural leather strap, worn regularly, typically lasts 4–6 years before replacement. Longevity depends on wear frequency, climate conditions (humidity and heat accelerate deterioration), and maintenance. Shell cordovan straps have potential lifespan of 8–10 years. Avoid prolonged exposure to water, perspiration, and direct heat to maximise service life.

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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