Strap for Symphonette L Diamond / Roman / Bracelet

The lug width of the Longines Symphonette L2.306.0.71.6 is 11mm. This dimension is characteristic of 1950s ladies' timepieces and must be strictly observed when selecting an aftermarket strap. Accurate measurement is taken internally, between the parallel edges of the lug itself, without including the case material.

Alligator represents the most authentic choice for this model: the natural texture and lightness of the leather complement the elegant proportions of the Symphonette perfectly. Alternatively, calf leather offers chromatic versatility and develops a rich patina with age. For a more casual approach, NATO or linen canvas maintain vintage character; for those preferring absolute practicality, vulcanised rubber is the ideal option.

Strap replacement is performed using a dedicated tool or precision lever to remove the spring bars that secure the strap to the case lugs. Insert the lever gently into the space between the lug and strap, apply slight pressure to retract the internal pin, and slide the strap downward. To install a new strap, align the strap holes with the spring bars and slide the strap upward until the pins reposition themselves in their seat.

Yes, milanostraps.it offers a comprehensive selection of 11mm-compatible straps for the Symphonette, available in multiple materials (alligator, calf, shell cordovan, canvas, rubber) and colours. All straps are ready for shipment and customizable in sizes, initials, and stitching thread choice. For a bespoke experience, the Casati Milano atelier creates made-to-order straps with direct consultation.

Longevity depends on leather quality, frequency of wear, and climatic conditions. Premium alligator or calf, worn moderately, maintains structural integrity for 3–5 years; with proper care (protection from excessive moisture, periodic cleaning with dry soft cloth), longevity extends further. Vegetable-tanned leather exhibits superior durability due to the inherent resistance of the tanning process. A leather strap ages beautifully, developing patina and character—a significant asset from aesthetic and collecting perspectives.