Case material: Rose gold; Charge: Automatic; Conditions: New Presentation condition : With dealer guarantee ; Model: Sonata Price on request Gmtbroker Reference: 666-88 Ulysse Nardin Sonata Dual Time Alarm 18kt Rose Gold 42mm Silver Dial with Brown Crocodile Strap Deployant Buckle A True Collectors Timepieces..... The Sonata watch is a mechanical alarm watch that has a crisp & beautiful chime/ring. While the alarm is ringing you can see the piston at work - located at the 8 o'clock position & held in place with a blue bridge. The silver dial is spectacularly finished with a partial linear "Cotes de Geneve" finish. The watch features: Large Skeleton Hands Indicate Hours, Minutes & Seconds. Sub-dial at 6 o'clock indicates the GMT/24 Hour Time-Zone. The Sub-dial at 2 o'clock position indicates the time set for the Alarm to chime. Sub-dial at 10 o'clock indicates a countdown to when the alarm is set - the alarm will chime once in 24 hours, the countdown will indicate if the alarm will chime AMor PM. On/Off indicator at the 9 o'clock position - controlled by the button in center of the left crown. Left crown adjusts the date. GMT + & - buttons on either side of the case adjust the time-zone by one hour increments either way. Also known as: Ulysse Nardin 666-88, UN 666-88, Ulysse Nardin 66688