Longines · Symphonette

Strap for Symphonette L Diamond / Roman

Takes 11 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width11 mm
Case diameter22 mm
ReferenceL2.306.0.71.0 (aka: L23060710)
FamilySymphonette
MovementLongines caliber L176 hours, minutes, small seconds
Year2015
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 L2.306.0.71.0 (aka: L23060710), seen from the bench

The Longines Symphonette features the L176 caliber with hours, minutes and small seconds indication. The watch has 11mm lugs and the reference L2.306.0.71.0. The movement offers the essential time-reading functions with a classic layout of the counters.

Frequently asked questions

What is the lug width of the Longines Symphonette L2.306.0.71.0?

The lug width of the Longines Symphonette L2.306.0.71.0 is 11mm. This specific measurement represents the internal space between the lugs on the watch case, where the strap is inserted. It is a non-standard dimension exclusive to this model, requiring bespoke custom straps to achieve a perfect fit and harmonious aesthetic.

Which strap is most suitable for the Longines Symphonette L2.306.0.71.0?

For the Longines Symphonette L2.306.0.71.0, alligator leather represents the most sophisticated choice, with its natural irregular grain imparting visual depth. Calf leather is a versatile and durable alternative with uniform texture. For a sportier soul, a NATO in silk or cotton maintains elegance. Vulcanised rubber is ideal for daily wear, whilst vegetable-tanned leather is perfect for those desiring a patina that develops over time.

How do I change the strap on my Longines Symphonette L2.306.0.71.0?

To change the strap, use a spring bar removal tool. Position the tool inside the lug, apply gentle pressure to retract the spring bar, then slide off the old strap. Insert the new strap, aligning it with the lug hole, then snap the spring bar into place. Always verify that the spring bar is fully seated to prevent detachment.

Can I use an aftermarket strap on this Longines?

Yes, you may use an aftermarket strap provided it has a lug width of exactly 11mm. However, as this is a non-standard measurement, compatible straps on the market are limited. We recommend bespoke custom straps from Milano Straps, which guarantee a perfect fit, superior construction quality, and premium materials such as alligator, calf leather, and vegetable-tanned leathers.

How long does a leather strap last on a Longines watch?

A quality leather strap, such as those crafted in alligator or calf leather with vegetable tanning, typically lasts 3-5 years with moderate daily use. Longevity depends on exposure to moisture, frequency of wear, and leather quality. Milano Straps' bespoke straps include an 18-month guarantee and may be refurbished or replaced. To extend strap life, avoid prolonged exposure to water and direct sunlight.

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