Based on this product's specifications, here are some alternatives and similar models
Band Spigen Smart Wearable Accessories Black stainless steel for smartwatch
Summary description:
Replacement band from Spigen designed for smartwatches. Model 600WB24983 (SPN966BLK) in black stainless steel offers a metal link-style strap intended to attach to compatible smartwatch devices. Provides a durable, dress-oriented alternative to silicone or fabric bands and is suitable for daily wear, office use and formal occasions.