Based on this product's specifications, here are some alternatives and similar models
Band Spigen AMP07225 stainless steel band for smartwatch, 31.5 x 7.4 x 150 mm
Summary description:
Spigen AMP07225 stainless steel band for smartwatch. Replacement wearable accessory with dimensions 31.5 mm width, 7.4 mm depth and 150 mm length. Single-piece pack in stainless steel colour; compatible with compatible smartwatch mounts that accept this band size. Designed for everyday wear, offering a metal alternative to silicone or leather straps for a durable, polished look.