CASIO G-Shock 3229 DW-5600BB Water Resistance 20 Bar Men's Watch Black Digital 79767959760 | eBay
First G. Brought in summer 2013: 34 countries, 10 peaks, 5 seas/ ocean (40m max depth), Sahara, jungles. Never a problem, never changed battery. ❤️ : r/gshock