Oris 690

Displays two distinct time zones at once. Central hour and minute hands (T1) feature an hour-by-hour adjustment mechanism controlled via pushers or a rotating bezel. A sub-dial at 3 o'clock shows T2 hours and minutes with a day/night indicator, while a sub-dial at 9 o'clock displays seconds and a date window. The date syncs with T1, automatically adjusting forward or backward when crossing midnight, and includes quick-set, fine-timing, and stop-second features.