This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer.
System on a chip: Apple S1
Woven Nylon Sports Band
Heart rate sensor, accelerometer and gyroscope; Ambient light sensor. Fits 145-215mm wrists.
Retina display with Force Touch; Composite back, Splash and Water resistant in rain, exercising, etc (but not to be submerged in water, as it's not waterproof!)