Citizen watches, renowned for their superior quality timepieces, is arguably the largest manufacturer of watch components worldwide. The brand has taken the watch world by storm and designed a technologically advanced chronograph watch that is set to be the ultimate boy's toy. Available limitedly, this an ideal present for any Gent who likes the most up to date gadgets. IT WILL LET YOU KNOW WHEN YOUVE WALKED AWAY FROM YOUR iPHONE. You can place your order with us now to ensure delivery. Now for the interesting bits, currently the Citizen Proximity Bluetooth watch is compatible with the iPhone 4S or newer iPhone models.