Strap for Speedmaster Reduced Stainless Steel / Black

The lug width is 18mm. This dimension is specific to the Reduced model and is fundamental for choosing compatible straps. Measure correctly with a digital caliper positioned perpendicularly between the case lugs, avoiding applying pressure.

It depends on the use. For formal elegance, vegetable-tanned alligator or Hermès calf offer sophisticated aesthetics and develop natural patina. For sports and daily wear, Shell Cordovan guarantees durability of 15+ years. For reversible versatility, grey or black NATO allows quick switching between contexts.

Remove the two spring bars (small metal cylinders on the sides of the case). Extract the old strap by sliding the bar outward. Insert the new strap by aligning the holes at the ends and reinsert the bars until the locking click. No special tool is necessary, but a plastic punch prevents scratches.

Yes, provided they have certified 18mm lug width. Avoid generic "Universal 18mm" straps that often have approximate tolerances (17.5-18.5mm). Milanostraps.it straps are crafted to 18mm specification with ±0.2mm tolerance.

A vegetable-tanned calf strap lasts 4-6 years with monthly maintenance (cocoa butter, cleaning with damp cloth). Shell Cordovan exceeds 15 years thanks to the equine longitudinal fiber. Treated nylon NATO resists 10+ years. Durability depends on climate (humidity shortens lifespan), wash frequency and sun exposure.