Based on this product's specifications, here are some alternatives and similar models
Band for Apple smartwatch MM7Y2ZM/A — green fluoroelastomer
Summary description:
Replacement band for Apple smartwatch, model MM7Y2ZM/A, made from green fluoroelastomer. Designed to attach to compatible Apple smartwatches, the band provides a durable, water‑resistant strap option suitable for everyday wear, sports and fitness activities. Color: green. Compatible device type: smartwatch.