Casio General x Digital ft. Vintage Men Casual Hexagon Water Resistant Watch A168WGG-1B A168WGG A168 A-168 A-168WGG Explore a timepiece that combines style and functionality, featuring an impressive 7-year battery life, electro-luminescent backlight, and water resistance, along with a range of practical features such as a 1/100-second stopwatch, daily alarm, and auto-calendar. Module 3298 (quartz) Battery Life / Accuracy Approximately 7 years (+/-30 seconds per month) Crystal Resin glass Light Electro-luminescent backlight (blue green) Case / Band Material Resin (chrome plated) case with metal band (slide clasp) Water Resistance Water resistant Case Size Thickness: 9.6 mm Diameter: 36.3 mm Length: 38.6 mm Other Specifications Casio General x Digital ft. Vintage 1/100-second stopwatch (up to 60 minutes, elapsed time, split time) Daily alarm Hourly time signal Auto-calendar (28 days for February) Regular timekeeping (digital display)