Casio EQB‑1200D‑1AER is a premium solar‑powered analog watch from Casio’s EDIFICE series with Bluetooth connectivity for smartphone link functions. It features world time (about 300 cities), automatic time syncing with your phone, dual time display, and a chronograph with stopwatch memory up to 200 laps. Built with a sapphire crystal and stainless steel case and bracelet, it offers 100 m water resistance and reliable everyday performance. SpecificationsCase size : 50 × 45.2 × 9.6 mmWeight : 133 gCase and bezel material : Stainless steelBand : Stainless Steel Band, One-touch 3-fold ClaspWater resistance : 100-metre water resistanceTime adjustment : Bluetooth: Connects to a smartphone and automatically adjusts the timePower supply and battery life : Tough Solar (Solar powered)Smartphone Link feature : Mobile link (Wireless linking using Bluetooth)Apps : CASIO WATCHES Glass : Sapphire crystal with anti-reflective coatingBezel features : TachymeterWorld time : Dual time (Home city time swapping)Stopwatch : 1-second stopwatch, Measuring capacity: 23:59'59Others: Flyback, direct timing start from the timekeeping modeAlarm/hourly time signal : Daily alarmCalendar : Full auto-calendar (to year 2099)Energy saving feature : Power Saving (hands stop to save power when the watch is left in the dark)Accuracy : ±15 seconds per month (with no mobile link function)