Key Specifications
- Color: Light Blue Alpine
Material and Finish
- Titanium case, Grade 5
- Natural, Black
Chip
- S10 chip with 64-bit dual-core processor
- 4-core Neural Engine
- 64GB capacity
Display
- Always‑On Retina display with wide‑angle OLEDs and LTPO3
- 1Hz refresh
- Active area (422 by 514 pixels, 326 pixels per inch)
- Flat sapphire crystal display
- Up to 3000 nits peak brightness
- 1 nit minimum brightness
- Night Mode for Apple Watch Ultra faces (Modular Ultra, Wayfinder, Orienteering)
Health and Wellness
- Blood Oxygen app
- ECG app
- Cycle Tracking app with retrospective ovulation estimates
- Heart Rate app
- High and low heart rate notifications
- Irregular rhythm notifications
- Medications app
- Mindfulness app with state of mind tracking
- Noise app
- Sleep app including sleep stages
- Sleep scor
- Sleep apnea notifications
- Hypertension notifications
Audio
- Three-microphone array with beamforming and wind noise mitigation
- Dual speakers
- Media playback
- Siren
Power and Battery Life
- Multiday battery life, up to 42 hours of normal use
- Up to 72 hours in Low Power Mode
- Built-in rechargeable lithium-ion battery
- Fast-charge capable
- Up to 80% charge in about 45 minutes
- 15 minutes for up to 12 hours of normal use
- 5 minutes for up to 8 hours of sleep tracking
Size and Weight
- Height: 49mm
- Width: 44mm
- Depth: 12mm
- 422 by 514 pixels
- 1245 sq mm display area
- Weight (natural): 61.6 grams
- Weight (black): 61.8 grams
- Fits 130–210mm wrists
Operating System
- watch OS
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