Sapphire front crystal. Tested to MIL-STD 810H. Water resistance 100m. Rugged titanium case, now available in satin black. Powerful health, safety, and connectivity features. And up to 36 hours of battery life for normal use and 72 hours in Low Power Mode.
There are very few products anymore - that I appreciate more - every time I wear them ... and this Apple Watch (in particular) with the Blood/Oxy ability - is one of those. It cost about $300 LESS than I was willing to spend ... so it also ranked in the 'value for money' category. Thanks to ALL!!!