Strap for Symphonette L Diamond / Arabic MOP / Bracelet

The lug width of the Longines Symphonette L2.306.0.83.6 is precisely 11mm. This measurement is taken by positioning a calliper on the watch case lug, where the spring bar passage meets the attachment spring. It is a non-standard dimension, characteristic of Longines women's models in the Symphonette family, which requires straps specifically cut to this exact width.

The best strap depends on intended use: for formal elegance, black alligator or dark brown cordovan create a subtle contrast with the silver sunburst dial. For daily wear, vegetable-tanned calf offers natural patina and long-term durability. All straps must respect the 11mm lug width and preferably feature a deployante clasp to distribute tension evenly across the delicate case.

The strap is changed by removing the spring bars from the case lugs. Using a dedicated spring bar tool, gently push the spring to expand the passage, allowing the bar to be extracted. Next, insert the new spring bar into the new strap, keeping the passage open with the tool, and reattach to the case lug. On narrow lugs such as 11mm, it is important to work with precision to avoid damaging the case finish.

Yes, Milano Straps offers a complete collection of artisanal 11mm straps compatible with the L2.306.0.83.6. They are available in various materials (alligator, calf, shell cordovan, NATO) and customizable in size, initials and stitching thread colour. The Casati Milano atelier also creates bespoke straps with personal hide selection and an 18-month guarantee.

A premium leather strap (alligator, cordovan, vegetable-tanned calf) typically lasts 3-5 years of intensive use, but can reach 10-15 years with regular maintenance and moderate wear. Longevity depends on leather quality, frequency of use and climatic conditions. Cordovan has superior longevity due to its structural density. Proper care—avoiding excessive moisture, moderate sun exposure, applying protective balms—significantly extends the strap's useful life.