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Longines · PrimaLuna

Strap for PrimaLuna Quartz 26.5 Stainless Steel / Pink Gold / Diamond / MOP

Takes 6 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

6mm
6 mm strapsAll Longines
Lug width6 mm
Case diameter27 mm
ReferenceL8.110.5.89.2 (aka: L81105892)
FamilyPrimaLuna
MovementLongines caliber L250 Hours, Minutes, Seconds | Date
CaseMother of Pearl | Pink Gold, Stainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

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The PrimaLuna L8.110.5.89.2 (aka: L81105892), seen from the bench

The Longines PrimaLuna L8.110.5.89.2 is a contemporary interpretation of elegant femininity built around a compact 26.50 mm stainless steel and 18k rose gold case. The watch features a mother-of-pearl dial with opalescent reflections and houses the Longines caliber L250 automatic movement with hours, minutes, seconds and date window at 3 o'clock. The 6 mm lug width is a specific design characteristic of this model, requiring specially constructed straps to ensure proper fitment and secure attachment.

Frequently asked questions

What is the lug width of the Longines PrimaLuna L8.110.5.89.2?

The Longines PrimaLuna L8.110.5.89.2 features a lug width (anse measurement) of 6 millimetres, which is a specific and non-standard dimension requiring purpose-built straps for proper fitment. This size derives from the compact 26.50-millimetre case design and the intentional pursuit of harmonious proportions between watch body and strap.

What is the best strap for the Longines PrimaLuna L8.110.5.89.2?

Alligator leather in neutral tones (black, taupe, grey) offers the optimal technical and aesthetic partnership for the PrimaLuna, as the uniform surface amplifies the mother-of-pearl dial without obtrusive texture. Alternatively, vegetable-tanned calf leather provides natural patina development through wear, appealing to collectors who value chromatic evolution over time.

How do I change the strap on a Longines PrimaLuna L8.110.5.89.2?

Strap replacement is performed by removing the horizontal pins connecting the lugs to the case using a dedicated spring bar tool or small screwdriver. Position the watch on a soft surface to avoid scratches, gently push the pin from one side until fully extracted, then remove the old strap and insert the new one by aligning the holes with the lugs. Pressure must be gentle yet decisive, avoiding forceful movements that could damage internal threading.

Can I use aftermarket straps on the Longines PrimaLuna L8.110.5.89.2?

Yes, aftermarket straps are compatible provided they are constructed for 6mm lug width specification. Milano Straps manufactures artisanal straps in various materials (alligator, calf, NATO, rubber), customisable in size, colour, and finish. Verification of lug compatibility and spring bar integrity is essential before installing any aftermarket strap.

How long does a leather strap last on the Longines PrimaLuna?

Leather strap longevity depends on material quality, tanning method, usage frequency, and maintenance practices. Quality artisanal alligator or calf leather typically endures 3 to 6 years of daily wear, with potential accelerated deterioration if frequently exposed to moisture, water, or excessive perspiration. Vegetable-tanned leather ages aesthetically whilst maintaining structural integrity longer. Casati Milano guarantees 18 months on atelier-crafted straps.

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