I have to say, I am very impressed with this little device. I own a 42MM Milanese Loop SS AW and also own a black sport band. This past week and a half I went on a trip with my church's youth group to the middle of the Virginia mountains. We did various hikes, various caving expeditions, high ropes courses, field games and plenty of sports. This watch kept track of everything with good accuracy and that considering that I had no cell phone reception. The watch did get some micro scratches here and there and I think that had to do more with the Spigen tough Armor case I put on it (which I am returning). I found that the case did more harm than good. By day 2, I used the watch case free and it performed above and beyond what I expected considering I had zero wifi and cell reception. For the drive up there, we went 22 hours in a bus and while I had reception, the watch was very good about updating my location for weather. Everytime I looked at it, it updated automatically to whatever county and state I was in. Overall extremely impressed with it and am very glad I took it. I ended up demolishing my weekly goals and those circles got filled 3 times over.