Casio General x Digital ft. Vintage Men Casual Round Water Resistant Watch A171WE-1A A171WE A171 A-171 A-171WE Discover a timepiece that excels in precision and style. Enjoy approximately 7 years of battery life, LED backlight, and water resistance. This sleek resin case watch features a 1/100-second stopwatch, daily alarm, and auto-calendar, making it the perfect accessory for any occasion. Module 593 (quartz) Battery Life / Accuracy Approximately 7 years (+/-30 seconds per month) Crystal Resin glass Light LED light (green) Case / Band Material Resin (chrome plated) case with metal band (slide clasp) Water Resistance Water resistant Case Size Thickness: 9.2 mm Diameter: 37.7 mm Length: 38.8 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 (set at 28 days for February) 12/24-hour format Regular timekeeping (digital display)