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Lot Essay
According to the archives of Audemars Piguet the present watch was manufactured in 1942.
This simplified World Time system was designed as a memory aid, facilitating the determination of the time differences between various cities of the world. These dials were available in different versions as to the "main" or "home" location which on the present watch is Rome, indicating that at noon in Rome, it would be 6:00am in New York, or 8:00pm in Tokyo for example.
For different versions of such "World Time Dial" wristwatches see Audemars Piguet by Gisbert L. Brunner, Christian Pfeiffer-Belli, Martin K. Wehrli, second edition, pp. 219 - 221.
This simplified World Time system was designed as a memory aid, facilitating the determination of the time differences between various cities of the world. These dials were available in different versions as to the "main" or "home" location which on the present watch is Rome, indicating that at noon in Rome, it would be 6:00am in New York, or 8:00pm in Tokyo for example.
For different versions of such "World Time Dial" wristwatches see Audemars Piguet by Gisbert L. Brunner, Christian Pfeiffer-Belli, Martin K. Wehrli, second edition, pp. 219 - 221.