Casio Ladies Mid-Size Silver Digital Retro Watch LA680WA-2BDF Imported Resin Glass, Resin Glass, Case / bezel material: Resin, Stainless Steel Band, Adjustable Buckle LED light, 1/100-second stopwatch, Daily alarm Hourly time signal, Auto-calendar (28 days for February), 12/24-hour format Regular timekeeping: Hour, minute, second, pm, date, day, Accuracy: 30 seconds per month Approx. battery life: 5 years on CR1616, Size of case: 33.5 X 28.6 X 8.6 mm, Total weight: 36 g