MIL-STD-810H compliant*
IP68 dust tight and water resistant (immersible up to 50m)
Compatible with standard 20mm straps
ECG certified
Blood pressure monitor
Armor aluminum frame
*does not guarantee ruggedness or use in extreme conditions
I'm not talking about 3 days. My watch is charged at 8am in the morning and by 8am the following day it still has about 45% battery left. After fully charging the watch is good for 1 day and 12 hours, hence 36 hours. All settings enabled other t...