That looks to be a good model, the closest one to that one that I might have is the gold one to the right of the yellow one, the movement is very nice on them, their certainly NOT a light weight, the one thing I really like on any of them is the band it's a solid band, not rolled, I can take a pic tomorrow to help you understand, other then that is just the run time, I don't remember what the length is after you stop wearing it, I want to say like 48hrs? And the face is very scratch resistant, the only thing I'm not to fond of on the model your looking at is the bezel, it's flat and a painted numbers, I like them to be raised this way they don't wear off. Over all it's an automatic, no more replacing batteries, and it will take a beating! I would recommend a watch winder if it's not going to be worn every day this way you don't have to set it if it runs out, they will keep it going and the time/date set until it hits a month that doesn't have 31days in it.. As far as jewels go I'll guess 21, but don't ask,, that stuff I have no clue on..
JR
Oh, QVC home shopping used to give some good deals and good info on invicta watches