[1][2] It was named after banker Henry Graves Jr. who supposedly commissioned it out of his desire to outdo the Grande Complication pocketwatch of American automaker James Ward Packard.
97.912); it had previously been believed the firm's first grand complication had been produced in 1910, and the second was delivered to Packard in 1916.
These included Westminster chimes, a perpetual calendar, sunrise and sunset times, and a celestial map of New York as seen from the Graves's apartment at 834 Fifth Avenue.
When he took delivery, he did not want to be known as the owner of "the world's most complicated watch", fearing the threat to his family based on the notoriety of the Lindbergh kidnapping.
In 1969, Fullerton sold the piece to Seth G. Atwood, founder of the "Time Museum" and an American industrialist, for US$200,000 (equivalent to $1,700,000 in 2024).
[6] The new owner was later revealed to be a member of the Qatari royal family, Sheikh Saud bin Muhammed Al Thani.
The final price, bid by Aurel Bacs serving as proxy for an anonymous entity, reached 23,237,000 Swiss francs, equivalent to US$24 million at the time.
[4] The timepiece is a gold, double-dialled and double-openfaced, minute repeating clockwatch with Westminster chimes, grande and petite sonnerie, split seconds chronograph, registers for 60-minutes and 12-hours, perpetual calendar accurate to the year 2100, moon-phases, equation of time, dual power reserve for striking and going trains, mean and sidereal time, central alarm, indications for times of sunrise/sunset and a celestial chart for the nighttime sky of New York City at 40 degrees 41.0 minutes North latitude.