Casio AQ240E-7A Blending vintage style with modern character, the AQ240E-7A watch is as elegant as it is charming. The rounded square bezel combines a contemporary design with a vintage look and feel. A minimalist analog face captivates with old-world charm while the digital LCD energizes with modern style and practical functionality. This analog-digital timepiece is the perfect combination of a classic look with modern features. When you consider its ease of use and comfortable fit, it's clear the AQ240E-7A is a decadent combination of vintage silver style and modern features that you'll love to wear all day long. Basic Information Case size (L× W× H) 40.9 × 35.8 × 8.1 mm Weight 51 g Case and bezel material Resin / Chrome plated Band Stainless Steel Band Adjustable Clasp Water resistance Water Resistant Power supply and battery life Approx. battery life: 3 years on SR920W Exterior Glass Resin Glass Compatible band size 150 to 205 mm Watch Features World time Dual time Stopwatch 1/100-second stopwatch Measuring capacity: 59'59.99'' Measuring mode: Elapsed time Alarm/hourly time signal Daily alarm Hourly time signal Calendar Auto-calendar (28 days for February) Accuracy Accuracy: ±30 seconds per month Other features 12/24-hour format Regular timekeeping: Analog: 2 hands (hour, minute) Digital: Hour, minute, second, pm, month, date, day