Otter Box Aura Edge Case for Apple Watch Series 3 38 MM Black New The OtterBox Aura Edge Case is designed specifically for the 38mm Apple Watch Series 3 in a sleek black color. It offers protection and style to your Apple Watch, keeping it safe from scratches and bumps. The case is compatible with Apple brand products and provides a secure fit for your device. This new Otter Box Aura Edge Case is a great accessory for those looking to protect and personalize their Apple Watch Series 3.