Strap for Speedmaster Day-Date 40 Stainless Steel / Black / Bracelet

The lug width of the Omega Speedmaster 3220.50.00 is 19mm. This dimension is the critical parameter for purchasing a compatible strap: the spring bars that anchor the strap to the lugs of the case must have a diameter of 19mm. Always verify this measurement before ordering, as straps intended for 18mm or 20mm will not fit correctly.

For the 3220.50.00 we recommend three options. Vegetable-tanned alligator in black for formal elegance with a fascinating patina over time. Burgundy shell cordovan for those who appreciate colour evolution and a texture that reveals itself with wear. Vegetable-tanned calf in natural leather colour for complete discretion. Each choice enhances different aspects of the chronograph's technical identity. NATO and ballistic straps remain always valid for purely functional applications.

You will need two tools: a spring bar tool and a clean work space. Locate the spring bars on the sides of the case, inside the lugs. Gently insert the tip of the spring bar tool between the spring bar and the case to compress the spring, simultaneously removing the old strap. Once the spring bars are free, align the holes of the new strap (19mm) with the lugs and push the spring bars into position until they snap into place. Verify that the strap is secure before fastening it to your wrist.

Any strap equipped with 19mm spring bars is compatible with the Omega Speedmaster 3220.50.00. On milanostraps.it you will find a selection of handcrafted leather straps (alligator, shell cordovan, calf), fabric and rubber, all available with 19mm lug width. Each strap can be customized in length, type of stitching and colour of initials to suit your wrist and aesthetic taste.

A handcrafted quality leather strap, with ordinary maintenance, lasts between 3 and 5 years of daily wear. The Omega Speedmaster 3220.50.00, with its technical instrument character, perfectly tolerates rotation between multiple straps, allowing each one to breathe and dry completely. Shell cordovan straps age more slowly thanks to the density of the leather; alligator evolves aesthetically but maintains structure longer; vegetable-tanned calf requires more care but offers the greatest aesthetic control. Casati Milano's 18-month warranty covers manufacturing defects and guarantees repairs within this period.