Omega
Aqua Terra 2803.33.37— lug 20mm

The Omega Aqua Terra 2803.33.37 features a lug width of 20mm. This dimension represents the distance between the horizontal lugs of the case and is the fundamental parameter for choosing a compatible strap. Always verify this measurement before purchasing a replacement strap.

For this timepiece, various materials are recommended depending on use: alligator or calf leather for formal and professional settings, shell cordovan for those who appreciate the evolution of patina over time, fabric NATO for sporty everyday wear, waxed rubber for summer occasions or more dynamic use. The best choice depends on frequency of use and personal aesthetic preferences.

The strap is replaced by removing the spring bars that connect the strap to the case. Using a dedicated tool or small screwdriver, push the bar inward to release the strap. Repeat the operation on both sides. Installing the new strap follows the reverse process: insert the spring bars into the case slots until they stop. If you are not experienced, the Casati Milano atelier offers this service in Milan.

Yes, it is perfectly possible. High-quality compatible 20mm straps are available online from specialized suppliers such as Milano Straps. The important thing is to verify the lug width (20mm) and construction quality. Milano Straps offers customizable straps with measurements, initials and choice of stitching thread, with fast shipping and material warranty.

The lifespan of a leather strap depends on use, climate and maintenance. On average, a quality calf leather strap offers 3-5 years of daily use. Shell cordovan, being more resistant, can last 5-7 years or more. Factors such as humidity, sun exposure and replacement frequency influence longevity. Vegetable-tanned leather develops patina over time, requiring occasional maintenance. Casati Milano guarantees 18 months on custom-made straps.