Amazon.com: QGHXO Band for Polar M400/M430, Soft Adjustable Silicone Replacement Wrist Watch Band for Polar M400/M430 Watch (Black) : Cell Phones & Accessories
Amazon.com: Weinisite Watch Band for Polar M400/Polar M430 Watch Band,Replacement Soft Silicone Band For M400/Polar M430 Sport Watch (Black) : Cell Phones & Accessories
Amazon.com: RinoGear (6-Pack) Screen Protector Designed for Polar M430 Screen Protector Case Friendly Accessories Flexible Full Coverage Clear TPU Film : Cell Phones & Accessories
5-Pack] For POLAR M430 / M400 Watch Screen Protector,Full Coverage Screen Protector HD Clear Anti-Bubble and Anti-Scratch for POLAR M430/M400 : Amazon.in: Electronics