LUNATIK EPIK Polycarbonate Case and Silicone Strap for Apple Watch Series 1, Black/Black Impact resistant rugged polycarbonate case Full access to all sensors, magsafe charging, heart rate sensor, speaker and microphone Knurled oversized crown for easy access and use in physical activities Soft silicone band with Anti-dust and dirt nano coating; enhances sensor connection with wrist. Designed for Apple watch 42mm.