Citizen Eco-Drive Proximity 2.5
Requires
| iOS | iOS 7.0.4 - 13.2.3
Optimized for iPhone 4s or greater |
|---|---|
| Proximity firmware version | 2.0 or higher |
The firmware version of your watch can be checked on the app when you connect your watch with iPhone.
CITIZEN Eco-Drive Proximity
Requires
| iOS | iOS 7 / iOS 6 / iOS 5.1.1 |
|---|---|
| iPhone | iPhone 6s Plus / iPhone 6s / iPhone 6 Plus / iPhone 6 / iPhone 5s / iPhone 5c / iPhone 5 / iPhone 4s |
| Proximity firmware version | 1.1 or 2.0 |
The firmware version of your watch can be checked on the app when you connect your watch with iPhone.
