Ulysse Nardin Sonata

The in-house engineers and technicians of Ulysse Nardin spent nearly seven years on the development of this patented self-winding manufacture calibre.
It combines the novel Alarm setting with a Countdown indicator and the Dual time system with the instant time zone adjustor conceived by Dr. Oechslin and featured in many Ulysse Nardin watches. This patented Dual time function permits time zone adjustments forward and backward by simply pressing the pushers plus (+) or minus (-) to change the position of the hour hand. The original home time (reference time) stays displayed while the date, the Alarm and Countdown adjust automatically when a time zone adjustment is made.
The melodic chiming of the Alarm is based on a novel 24 hours mechanism which allows setting the Alarm 23 hours ahead, for 7.35 pm the same day or 7.35 am the next day. Short Description: Three hands indicate the time in hours, minutes and seconds. Big Date. The double discs display at 4 o'clock permits easy reading of the date. Dual time. A sub-dial above 6 displays the 24 hour Dual time functions. Alarm Setting. The sub-dial at 2 indicates for which hour and minute the Alarm has been set. Countdown. A sub-dial at 10 calculates the time left on a 24 hour scale until the Alarm chimes. This permits easy reading of whether the Alarm is set for 7:35 pm or 7:35 am the next day. The hand at 9 indicates if the Alarm is activated or not, ON or OFF.


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