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Repair & Care of the Finest Watches Since 1987

Dual Time

15 September 2016 by Greg Kelly

Getting further complicated is the ability to measure the time in another time zone using the one movement. The GMT complication was made popular by pilots which assisted them in keeping track of two or more timezones. The ultimate of dual time complication is The World Time Zone complication which feature a rotating inner bezel with 24-hour display, part of the watch movement, and an outer bezel, listing the major cities in each of the 24 time zones. The outer bezel is set by the user. The inner bezel, marked to 24, makes on complete revolution per day. You would have to be clocking up some serious air miles to
British Watch and Clockmakers Guild
British Horological Institute
American Watch and Clockmakers Institute

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