Apple Watch SE 40mm Retina display Over 30% larger than Series 3 50m Water Resistant 4 Swimproof 4 High and low heart rate notifications Irregular heart rhythm notification 1 Emergency SOS 3 International emergency calling 5 Fall detection 2 Compass Always-on altimeter Available cellular connectivity 5 Supports Family Setup (GPS + Cellular models) 6 Up to 18 hours battery life Shipping Info Standard - 4 to 10 business days Ship Info Premium - 1 to 2 business days Warranty Apple One (1) Year Limited Warranty - click here for more info Component country Imported Assembled country China