Life can be divided into two periods:
Pre- and post-watch series 2
Leather, sapphire glass and stainless steel in perfect harmony. Battery life, waterproof, GPS and better performance that makes it no longer has anything to complain about.
I have not led clock on 30 years but is now completely reversed in a few days.
Edit: If anyone is wondering, it is 18h in the lower edge. I'm up in the 26h after eagerly use and have 25% left.