Strap for Master Collection 47.5 Small Seconds Stainless Steel / White-Arabic / Alligator XL

The lug width of the Longines Master Collection L2.841.4.18.5 is 25 millimetres. This dimension is specific to this reference and requires straps calibrated precisely at 25mm. To verify, measure the internal distance between the two attachment pins. Using straps of 24 or 26 millimetres will result in unacceptable play at the lugs.

Genuine alligator represents the finest choice for this model, as its distinctive scaled texture harmonises perfectly with the brushed surfaces of the case. Alternatively, vegetable-tanned calf leather offers enduring prestige and develops a patina that enriches the watch's character over time. For versatility, Cordura canvas NATO maintains proportions consistent with the 47.50mm diameter.

Strap replacement is performed using a dedicated tool (spring bar tool or thin flathead screwdriver). Position the watch on a soft surface, locate the attachment pins at the case sides, apply calibrated pressure to extract the pin from its seat, remove the worn strap, align the new strap's holes with the pin openings, reinsert the pin until a security click occurs. Avoid sudden impacts that could damage the lugs or new strap.

Yes, provided the aftermarket strap is calibrated exactly at 25 millimetres lug width. Artisanal quality straps made to measure guarantee perfect compatibility and enable aesthetic personalisation (colour, material, buckle, deployante) that the original strap does not permit. Always verify that the manufacturer explicitly declares the 25mm specification.

A quality strap with vegetable tanning typically lasts 3-5 years with regular daily use. Genuine alligator can last 7-8 years if properly maintained (avoid prolonged water exposure, protect from direct heat sources, apply leather conditioner every 6-12 months). Longevity depends on environmental factors, frequency of use and preventive care practices.