Longines · Lyre

Strap for Lyre Quartz 38.5mm Silver / Bracelet

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

Lug width20 mm
Case diameter39 mm
ReferenceL4.859.4.72.6 (aka: L48594726)
FamilyLyre
MovementLongines caliber L157 Hours, Seconds, Minutes | Date
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 Lyre L4.859.4.72.6 (aka: L48594726)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Lyre L4.859.4.72.6 (aka: L48594726), seen from the bench

The Longines Lyre L4.859.4.72.6 is a 38.50 mm stainless steel case watch with a 20 mm lug width, featuring a manual-wind L157 caliber operating at 28,800 vibrations per hour. The clean dial includes applied indices, a smooth bezel, and 30-meter water resistance, with a date window and off-center seconds subdial. The case is constructed in brushed and polished 316L steel, measuring 10.60 mm thick, with a sapphire crystal caseback revealing the movement.

Frequently asked questions

What is the lug width of the Longines Lyre L4.859.4.72.6?

The lug width of the Longines Lyre L4.859.4.72.6 is 20 mm. This measurement is taken in the space between the spring bar pins, excluding the pins themselves. It is essential to verify this dimension before purchasing an aftermarket strap to ensure perfect compatibility and prevent damage to the lugs.

Which strap material is most suitable for the Longines Lyre L4.859.4.72.6?

Alligator leather in grey or midnight blue is the benchmark choice for the Lyre: the natural grain texture with uniform scales harmonizes perfectly with the geometric sobriety of the case. Vegetable-tanned calf leather offers versatility with an evolving patina over time. For casual use, cordura NATO or satin FKM rubber ensure practicality without compromising the watch's minimalist elegance.

How do I change the strap on the Longines Lyre L4.859.4.72.6?

The Longines Lyre L4.859.4.72.6 uses standard 20 mm spring bar fittings. Place the watch on a soft pad, use a dedicated spring bar tool to gently depress the spring bar toward the interior, extract the pin from the lug hole, remove the old strap, align the new strap's pin with the hole, and release the spring bar until you hear a click. Avoid excessive force to prevent lug damage.

Is the Longines Lyre L4.859.4.72.6 compatible with certified aftermarket straps?

Yes. Any strap equipped with standard 20 mm spring bar fittings is compatible with the Longines Lyre L4.859.4.72.6. Selecting specialized suppliers ensures construction quality, precise finishing, and certified leathers. Milanostraps.it straps are specifically engineered for this lug width with artisanal precision tolerances.

How long does a leather strap last on the Longines Lyre L4.859.4.72.6?

A high-quality leather strap (alligator, calf, shell cordovan) typically lasts 3–5 years with moderate daily wear, depending on frequency of use, humidity exposure, and maintenance practices. Vegetable-tanned leather ages with positive patina development. Milanostraps.it straps include an 18-month warranty and can be refurbished or reconditioned after wear, significantly extending longevity.

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