Description G-Shock (Gravitational Shock) is a line of watches manufactured by Casio, designed to resist mechanical shock and vibration. Designed primarily for sports, military and outdoors-oriented activities; nearly all G-Shocks are digital or a combination of analog or digital and have a stopwatch feature, countdown timer, backlight and water resistance.Asics x G-Shock collaboration.New G-SQUAD fitness lineStep TrackerStopwatch with target time alarm (up to 10)Interval countdown timer (5 with auto-repeat up to 20x)Bluetooth mobile linkMatte black bezel with stealth lettering, textured markings on the bezel and bandASICS Tiger logo on the band, ASICS Tiger-branded case back, a matte white face, and red-accented handsCustom packaging resembles an ASICS shoe box PRODUCT ID 243722