Strap for Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Grey / Bracelet

The lug width is 20 mm. This dimension requires straps constructed with millimetre precision to guarantee perfect alignment between the lugs. It is essential to verify that the strap is specifically dimensioned at 20 mm to prevent lateral movement or misalignment.

The ideal strap depends on the intended use. Cognac or tobacco-dyed alligator enhances the two-tone case with refined elegance. Vegetable tanned calf leather offers modernity and visible grain texture. Nylon NATO is versatile for sporting occasions. FKM rubber represents the best compromise for hot climates or intense activities.

It is necessary to remove the lugs using a specific tool (sprung bar tool or pin remover). Insert the tip under the lug pin, pushing inward until release, then extract it completely. Replace the strap by aligning the holes of the new one with the watch pins, then reinsert the pins until the closing click.

All straps with 20 mm lug width are compatible. Always verify this measurement before purchase. On milanostraps.it you will find a complete selection of 20 mm straps customizable in leather, initials and stitching thread, ready for shipment.

A quality leather strap—alligator, calf or shell cordovan—lasts on average 3-5 years with moderate daily use. Exposure to sun, chlorine and sweat accelerate aging. Experienced craftsmen like Casati Milano offer an 18-month warranty and can perform professional repairs and keeper replacements.