Proximity is the ultimate companion for the modern day tech-savvy consumer. This perpetual calendar chronograph features Bluetooth®4.0 low energy powered by Eco-Drive technology. Other convenient key features include Time/Date Sync, iPhone® Search, Call & Email Alert, Calendar Event Notification and a 10-Metre Sync Range. The free of charge Proximity App is available from the Apple® App Store on your compatible iPhone® or from iTunes on your computer. Click here to go to the iTunes preview web page for the Proximity App.