G-Shock GMW-B5000TB Full Metal Matte Black Titanium,GMW-B5000TB-1JR It is the strongest square G-SHOCK. My favorite in my collection. Full titanium, sapphire glass, and gold buttons. I bought it for 230,000 yen. : r/gshock,GMW-B5000TB-1 | G-SHOCK FULL METAL GMW-B5000 SERIES | CASIO SINGAPORE,G-Shock GMW-B5000TB-1 & GMW-B5000TCM-1 Limited Full-Metal Titanium with DLC & Sapphire Crystal - G-Central G-Shock Fan Site,Casio G-Shock – Analog:Shift,