Blancpain Villeret Réveil GMT 40.3 mm | 6640-3642-55BPolished 18k red gold case. Silver main dial with a fine sunburst wave design texture and flat silvered 24 hour ring and alarm time set sub dial perimeter. Applied polished rose gold stylized Roman numeral hour markers. Polished rose gold hands, the hour and minute hands are skeletonized. Date window displayed at the 6 o'clock position. Alarm functions: ON OFF button located on the case edge at the 8 o'clock position. ON OFF indicator displayed