Strap for Speedmaster Broad Arrow 44.25 Stainless Steel / Silver Stripes / Bracelet

The Omega Speedmaster Broad Arrow 321.10.44.50.02.001 features a lug width of 21 mm. This is the external distance between the two spring bar attachment points. This measurement is a standard for the model and is determined by the case architecture and the structural positioning of the lugs.

For this brushed stainless steel chronograph, black alligator leather in vegetable tanning represents the ultimate solution in refinement: the natural grain contrasts elegantly with the brushed case surface. Tuscan calf leather is ideal for those seeking a natural patina and visible aging over time. For practical versatility, a satin rubber strap maintains the understated elegance required by the model.

Strap replacement is accomplished through the spring bars, which are visible from the case lugs. You must use a dedicated tool (spring bar tool) to remove the bars from their seats, then insert the new strap by aligning it perfectly. If in doubt, entrust the operation to a professional watchmaker to avoid damage to the case.

Yes, provided the strap has a lug width of exactly 21 mm. Quality aftermarket straps in leather or rubber are fully compatible. Ensure that the stainless steel deployant is robust and that the strap is secured with spring bars of equivalent quality to the originals.

The lifespan of a leather strap depends on usage and material quality. A well-crafted Tuscan calf or alligator leather strap offers a lifespan of 3-5 years with moderate daily use. Vegetable-tanned leather tends to age elegantly, developing a natural patina. With proper care (avoiding prolonged water immersion), the strap can maintain functionality beyond this period.