Casio General x Digital ft. Lightweight Army Unisex Casual Hexagon Water Resistant Watch F-91WF-2A F91WF F91 F-91 F-91WF Rediscover retro style with the Casio F-91WF series, an iconic digital watch reimagined with a modern edge. Its slim, lightweight case, clean LCD display and distinctive cloth strap create an effortlessly cool vintage silhouette, while fresh colour accents add personality. Comfortable, versatile and unmistakably Casio, a timeless everyday statement. Module / Movement 593 (quartz) Battery Life / Accuracy Approximately 7 years (+/-30 seconds per month) Crystal Resin glass Light LED light Case / Band Material Resin case with fabric (cloth) band Water Resistance Water resistant Case Size Thickness: 8.5 mm Diameter: 35.2 mm Length: 38.2 mm Lug width: 18.0 mm Other Specifications Casio General x Digital ft. Lightweight Army 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)