Wearable Design
Constraints
- Screen: ~40mm, round or square
- Interaction: taps, swipe, crown/bezel, voice
- Session: 3-5 seconds (glance, not browse)
- Context: active, on-the-go, hands may be occupied
Design Principles
- Glanceable: Information in 2-3 seconds
- Actionable: One tap to the most common action
- Minimal: One piece of information per screen
- Timely: Show what's relevant NOW
UI Patterns
- Notification: Title + 1 line body + 1-2 action buttons
- Complication: Single metric on watch face (step count, weather)
- List: Short scrollable list (5-10 items max)
- Detail: Headline + key info + action
Typography
- System font (SF Compact for Apple Watch)
- Large: 20-34pt for primary info
- Body: 15-17pt minimum
- No more than 2 font sizes per screen
Don'ts
- Don't replicate the phone app
- Don't require typing (use voice or preset responses)
- Don't show more than 3-5 items in a list
- Don't use light colors on bright outdoor screens