As of my last knowledge update in January 2022, Omega Seamaster watches with black nylon straps are not uncommon. Omega often offers a variety of strap options for its watches, including bracelets, leather straps, rubber straps, and nylon straps.For specific details on the latest Omega Seamaster models with a black nylon strap, including model names, features, and availability, it is recommended to check Omega’s official website or consult with authorized Omega dealers. These sources will provide the most accurate and up-to-date information on the current offerings within the Seamaster collection.