Global Network

Proximity (Movement: W76*)

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.