This Casio Vintage AQ230A-7A watch with duo display is versatile, charming, classic, and functional. The piece is so versatile in design that it is sure to complement every occasion. A statement piece that can easily be style up and down. - Module No. 5154 - 38.8 x 29.8 x 8.1mm Case Size - 47g Weight - Dual time - Stopwatch - Measuring mode: Elapsed time - Daily Alarm - Hourly Time Signal - Auto-calendar - 12/24-hour format - Regular timekeeping • Analog: 2 hands (hour, minute) • Digital: Hour, minute, second, pm, month, date, day - Accuracy: ±30 seconds per month - Approx battery life 3 Years on SR920W