For time changing it’s the best there is – To change to a Destination Time Zone, simply pull out the Crown, turn to another City Time Zone. The seconds hand instantly indicates that City on the dial index, push in the Crown and the analogue hands move around to the new time. It could not be easier.
Citizen Eco-Drive A-T CB0020-09E
To get a watch of this functionality and looks at such a price is probably unmatched by any other manufacturer from what I’ve seen. The competition tends to be composed of either very cluttered dial designs or very much more expensive prices or both.