Casio G-Shock Mudmaster Black-Tone Dial Resin Quartz Men's Watch GWG1000-1A3 Imported Created especially for those who work in piles of debris, dirt, and rubble, this Casio G-Shock Mudmaster watch features Triple Sensor capabilities that provide instant access to direction, barometric pressure, and temperature information With special vibration-resistant construction, this Casio watch can worn while operating cutters, crushers, drills and other heavy machinery Multiple gaskets are used on the pipes that guide the buttons and the screw-in force of the screw lock bezel increases the watch's resistance to mud infiltration Illuminated by a double LED light and protected by sapphire crystal, this Casio watch face is easy to read under most extreme conditions Completing the durability of the timepiece is a resin band processed to model a cloth band texture.Sapphire CrystalShock ResistantVibration ResistantMud ResistantDigital compass, barometric pressure/altitude, temperature readings200 meter water resistantCase / bezel material: Stainless steel / ResinResin BandCasio Style#: GWG1000-1A3