Amazon.com: Compatible with Samsung Galaxy Watch 3 45mm Band - Gear S3 Frontier & Classic Bands/ Galaxy Watch 46mm bands, 22mm Soft Silicone Replacement Black Bands Sports Straps Breathable Men and Women :
Amazon.com: Samsung Gear S3 Classic Smartwatch 4GB SM-R770 with Leather Band (Silver) Tizen OS - International Version with No Warranty : Cell Phones & Accessories