This item GShock GG1000 Casio GGB1001A3 Master of G Mudmaster Men's Watch Green 55mm Carbon Men's Casio GShock Master of G Mudmaster Twin Sensor Black Watch GGA Casio Men's GShock XL Series quartz Watch Resistant Strap, beige, 258 (Model G00UC5ACR)Mudmaster GWGa3 https//amznto/2DeFypEGShock DW5600e1v https//amznto/2DbROawBoldr Venture Review https//wwwyoutubecom/watch?v=mL7ri5oJLY0&tOne of the significant differences between the two GShock Mudmaster watches is their sensor GG1000's Twin Sensor comes with only (1) digital compass and a (2) thermometer GWG1000's Triple Sensor comes with (1) compass, (2) thermometer, and (3) an altimeter/barometer Casio Casio Watch G Shock G Shock Gg 1000 1a3 Men 39 S Overseas Model Want Jp G-shock gwg-1000-1a3ltd mudmaster limited edition box set