Casio EDIFICE EQB1200D1AER Solar‑Powered Analog Watch

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. 

Specifications
Case size : 50 × 45.2 × 9.6 mm
Weight : 133 g
Case and bezel material : Stainless steel
Band : Stainless Steel Band, One-touch 3-fold Clasp
Water resistance : 100-metre water resistance
Time adjustment : Bluetooth: Connects to a smartphone and automatically adjusts the time
Power 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 coating
Bezel features : Tachymeter
World time : Dual time (Home city time swapping)
Stopwatch : 1-second stopwatch, Measuring capacity: 23:59'59
Others: Flyback, direct timing start from the timekeeping mode
Alarm/hourly time signal : Daily alarm
Calendar : 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)