Longines · Symphonette

Strap for Symphonette M MOP / Bracelet

Takes 9 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width9 mm
Case diameter19 mm
ReferenceL2.305.4.87.6 (aka: L23054876)
FamilySymphonette
MovementLongines caliber L963 Hours, 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

The Symphonette L2.305.4.87.6 (aka: L23054876), seen from the bench

The Longines Symphonette L2.305.4.87.6 is a 18.90mm rectangular stainless steel women's watch featuring the manual-wind Longines L963 calibre, offering approximately 30–36 hours of autonomy and a date complication. This model represents a distinct design approach from the 1950s–60s, where proportional architecture extends to the 9mm lug width—a measurement essential for preserving visual harmony and ensuring proper strap attachment. The reference exemplifies Longines' technical refinement since 1832, with its compact dimensions and accessible readability serving as both timepiece and jewel.

Frequently asked questions

What is the lug width of the Longines Symphonette L2.305.4.87.6?

The lug width of the Longines Symphonette L2.305.4.87.6 is 9mm. This is a non-standard measurement, characteristic of this 18.90mm diameter case. It is essential to verify compatibility by measuring between the two case lugs. Milano Straps stocks straps specifically designed for this dimension.

Which strap is most suitable for the Longines Symphonette?

For the Symphonette L2.305.4.87.6, we recommend alligator in dark shades for formal elegance, shell cordovan for durability and natural patina development over time, or vegetable-tanned calf leather for daily versatility. Rubber is ideal if the watch accompanies sports or summer contexts. The choice depends on the primary use of the timepiece.

How do I change the strap on the Longines Symphonette?

To change the strap, you will need a dedicated tool to extract the spring bars. Position the watch on a stable surface, gently press the internal spring bar to compress the spring, then extract the pin from the case. Repeat on the second pin. Install the new strap, aligning it perfectly to the 9mm lug width, ensuring the pins are fully inserted into the case.

Does the Longines Symphonette L2.305.4.87.6 accept aftermarket straps?

Yes, the Symphonette accepts aftermarket straps provided they are constructed for the 9mm lug width. Milano Straps offers a curated selection of compatible straps in various materials and colours, all verified for correct attachment. It is essential to purchase from specialised suppliers to avoid structural incompatibilities.

How long does a leather strap last on a ladies' wristwatch?

A high-quality leather strap (alligator, cordovan, vegetable-tanned calf) typically lasts 3-5 years with moderate daily use. Longevity depends on ambient humidity, cleaning frequency, and material type. Shell cordovan and alligator are more resistant to time. Periodic maintenance and storage in dry environments significantly extend the strap's 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