How to Check Smartwatch Display Brightness Levels

1. Check on Manufacturer's Website

If not available, search your <smartwatch name> "nits" to find its peak brightness level.

2. Check Brightness Levels on Amazon or Flipkart Listing

3. Measure Screen Brightness with a Lux Meter

Alternatively, you can check your smartwatch under direct sunlight to get a vague idea about it's real-life legibility.