Case material: Rose gold; Charge: Automatic; Conditions: Never worn Presentation condition : With boxes and all papers; Model: Classique Price on request Gmtbroker Reference: 5717BR/EU/9ZU classique wristwatch in 18-carat rose gold. self-winding movement. three versions of the dial are available, each representing one part of the world: the americas, the european and african continents, or asia and oceania six references in all. this watch's most iconic complication, however, is its instant-jump time-zone display system with synchronised date, day/night and city indications, a world first for a mechanical watch. this function allows the traveller to easily display the time in two pre-selected time zones, changing instantly from one to the other simply by pressing a button, without disturbing the operation of the watch. changing the time zone affects not only the time, but also the date synchronised through a tracking calendar system and the day/night indicator. also known as: breguet 5717br/eu/9zu, 5717breu9zu, 5717br-eu-9zu, 5717br.eu.9zu