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Longines · PrimaLuna

Strap for PrimaLuna Automatic 26.5 Yellow Gold Arabic

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
ReferenceL8.111.6.16.6 (aka: L81116166)
FamilyPrimaLuna
MovementLongines caliber L595 Hours, Minutes, Seconds | Date
CaseYellow Gold

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 L8.111.6.16.6 (aka: L81116166), seen from the bench

The Longines PrimaLuna L8.111.6.16.6 is a 26.5mm yellow gold automatic watch with a 6mm lug width, representing the brand's feminine watchmaking heritage. It features the internally developed Longines calibre L595 automatic movement with hours, minutes, seconds, and date functions, visible through a sapphire caseback. The 18-karat yellow gold case measures approximately 7.3mm thick, designed for refined wristability while maintaining construction robustness typical of Saint-Imier manufacture.

Frequently asked questions

What is the lug width of the Longines PrimaLuna L8.111.6.16.6?

The Longines PrimaLuna L8.111.6.16.6 is fitted with a lug width of 6 millimetres. This exceptionally rare measurement requires specifically designed straps: a 7mm or 8mm strap will leave visible gaps on either side of the case, compromising aesthetic harmony. Always verify with a digital calliper by measuring the external distance between the two lugs.

Which strap is best suited for the Longines PrimaLuna in yellow gold?

For a yellow gold timepiece such as the PrimaLuna L8.111.6.16.6, alligator leather (Nile or American) represents the optimal choice. Its regular geometric grain mirrors the precision of the case construction, whilst natural tones (dark brown, black, burgundy) complement rather than compete with the gold. Alternatively, shell cordovan delivers an extraordinary organic patina that develops a profound internal lustre over time.

How do you change the strap on this Longines model?

The strap is changed by gently removing the spring bars using a dedicated spring bar tool. Position the watch on a soft surface, locate the small hole on the internal side of each bar, insert the tool to compress the internal spring and extract the bar. Repeat on the opposite side. Insert the bars into the new 6mm strap, ensuring they click fully into place. If you lack experience, entrust this to a professional: the PrimaLuna L8.111.6.16.6 warrants precision handling.

Can I use an aftermarket strap on the Longines PrimaLuna L8.111.6.16.6?

Yes, you may use quality aftermarket straps provided they feature a certified 6mm lug width. Milano Straps offers bespoke leather straps in alligator, shell cordovan and calf, customisable in dimensions and finishes. The critical factor is ensuring the strap precisely respects this lug width: this model tolerates no construction variance.

How long does a leather strap last on the Longines PrimaLuna L8.111.6.16.6?

A quality leather strap (alligator, shell cordovan, calf with vegetable tanning) typically lasts 3-5 years with regular daily wear, extending to 7-10 years with occasional use. Longevity depends on wearing frequency, environmental humidity and maintenance practices. Milano Straps supplies straps with an 18-month guarantee and offers replacement and reconditioning services to extend product 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