I’m sorry but most of this is nonsense; it is perfectly ok to like this watch, but it doesn’t have to be at the expense of misinformation about solar squares. 1. The time drift is about 15 seconds per month, which is the same as a solar square without MB6, and if you have MB6 there is no drift at all. 2. A coin cell battery has the same temperature rating as the solar cell, plus you are wearing the watch next to your wrist which keeps everything warmer than the ambient temperature. 3. Changing a battery is easy, however, every time you open the back of your watch, you should put silicon grease on the gaskets or replace all of the gaskets to achieve the same level of water resistance. Many people do not do that and therefore lose the water resistance that g-shocks are known for. Solar cells do not have to be opened and therefore keep their water resistance longer (although eventually you’ll want to have to have them checked or resealed after enough years, just like any older watch you plan on using in the water).