Specifications:• Brand: Casio• Gender: Unisex• Resin Glass• Case / bezel material: Resin• Resin Band• Tang Buckle• LED light: Green• 1/100-second stopwatch• Measuring capacity: 59'59.99"• Measuring modes: Net time, split time, 1st-2nd place times• Daily alarm• Hourly time signal• Auto-calendar (set at 28 days for February)• 12/24-hour format• Regular time keeping: Hour, minute, second, pm, date, day• Accuracy: ±30 seconds per month• Approx. battery life: 7 years on CR2016• Module 593• Case size (L× W× H): 38.2 × 35.2 × 8.5 mm• Weight: 21 g• Water Resistant• Made in China• Brand: Casio• Gender: Unisex• Resin Glass• Case / bezel material: Resin• Resin Band• Tang Buckle• LED light: Green• 1/100-second stopwatch• Measuring capacity: 59'59.99"• Measuring modes: Net time, split time, 1st-2nd place times• Daily alarm• Hourly time signal• Auto-calendar (set at 28 days for February)• 12/24-hour format• Regular time keeping: Hour, minute, second, pm, date, day• Accuracy: ±30 seconds per month• Approx. battery life: 7 years on CR2016• Module 593• Case size (L× W× H): 38.2 × 35.2 × 8.5 mm• Weight: 21 g• Water Resistant• Made in China