Apple Watch Series 7 Nike Edition

Swimproof.
Most crack-resistant front crystal.
Certified IP6X dust resistant.
Always-On Retina display.
Nearly 20% larger than SE.
More than 50% larger than Series 3.
Blood Oxygen app.
High and low heart rate notifications.
Irregular heart rhythm notification.
Emergency SOS.
International emergency calling.
Fall detection.
Cellular available.
Family Setup (pair multiple watches with one iPhone).