CITIZEN Bluetooth Watch (PROXIMITY)!

OverviewThis is the official app for linking your smartphone with CITIZEN Bluetooth watches (Bluetooth version 4.0 or later). The app, which works with iPhone, enables you to set the time and the alarm for your watch, and to receive alerts for incoming calls, mails and texts. For more details, click here.http://www.citizenwatch-global.com/technologies/index.html#eco-drive* Some models run for less than six months.