Strap for Symphonette XL Diamond / Arabic MOP / Bracelet

The lug width of the Longines Symphonette L2.307.0.83.6 is 13mm. This dimension represents the distance between the two metal pins of the case where the strap is inserted. To verify it correctly, position a digital calliper or ruler between the inner pins without including any thickness from a previous strap. An error in lug width measurement results in total constructive incompatibility.

For the Symphonette L2.307.0.83.6, straps in alligator leather with vegetable tanning (classic elegance and natural patina over time), Italian calfskin (robustness and homogeneous grain), or shell cordovan (constructive longevity and stratified lustre) are recommended. Alligator represents continuity with Longines tradition; calfskin offers balance between aesthetics and practicality; cordovan is the choice for chromatic depth. NATO straps offer daily versatility, while FKM rubber remains the solution for pure performance but contradicts the model's elegance.

The procedure requires a spring bar removal tool, available from specialist watchmakers or online. Position the watch on a stable support, locate the metal pins at the case ends (lugs), and use the tool tip to compress the internal spring of the pin. Once compressed, the pin can be extracted from the case. Remove the old strap and position the new one, aligning the slots with the lugs. Reinsert the pins ensuring the internal spring clicks into position. For small cases like the Symphonette (24.90mm), operating with delicacy is essential to avoid damaging the case's finishing.

Yes, quality aftermarket straps are compatible provided they respect the 13mm lug width specification. On milanostraps.it you'll find 13mm artisanal straps customizable in leather (alligator, calfskin, shell cordovan, vegetable tanning), sizes, initials and thread colour. Casati Milano atelier also offers made-to-measure bespoke straps with personal leather selection and 18-month guarantee, an ideal service for those desiring a completely personalised strap that fits perfectly to their wrist anatomy.

Leather strap durability depends on material, tanning and usage. An Italian calfskin strap with vegetable tanning, worn daily, has an average lifespan of 2-3 years before the most stressed part (near the buckle) requires replacement. Alligator, being a more delicate leather, requires greater awareness and may last 18-30 months in daily use. Shell cordovan, thanks to its constructive density, can exceed 4-5 years even with intensive use. Longevity increases significantly if the strap is protected from excessive humidity, direct perspiration and subjected to regular maintenance (gentle cleaning, treatment with natural creams).