I have had this watch for four or five years now with heavy use and it still works great. I would highly recommend this over any Suunto watch because it is significantly higher quality, looks much better, and is much smaller. The watch is comfortable, and doesn't feel like a dive computer. I live in Colorado and have never had any trouble with the atomic clock. The solar charged battery has never dropped blow fully charged. I like this feature because many functions of the watch such as the compass and altimeter use allot of power, and watches that are not solar use so much power that you end up buying a new battery every 6 months. The sensors are all very accurate and have every feature you could possibly want. This watch dose not frees up in sub zero temperatures. It is extremely durable and has been through quite a bit including getting frozen solid in ice, tumbling down a sand dune, and it has been hit against countless rocks and other stuff. The only thing it can be damaged by easily is chemicals like chlorine, bromine, and other harsh chemicals that could damage the sensors. I would highly recommend this watch over Suunto or Timex.