APPLE
Watch Ultra
49MM GPS Cellular
Titanium Case
White Ocean Band
49mm case size
100m water resistantfootnote
Swimproof and recreational diving to 40mfootnote
EN13319 certificationfootnote
Depth gauge with water temperature sensor
Certified IP6X dust resistant
Tested to MIL-STD 810Hfootnote
Customizable Action button
Always-On Retina display
Up to 2000 nits brightness
Blood Oxygen appfootnote
ECG appfootnote
High and low heart rate notifications
Irregular rhythm notificationfootnote
Cardio fitness notifications
Temperature sensingfootnote
Cycle Tracking with retrospective ovulation estimatesfootnote
Emergency SOSfootnote
International emergency callingfootnote
Fall Detection
Crash Detectionfootnote
High-g accelerometer
86-decibel Siren to attract attention