ジラールペルゴのインスタグラム(girardperregaux) - 12月3日 22時18分

GP ADVENT CALENDAR #3
Girard-Perregaux signed this silver pocket watch around 1860. At that time, the system of time zones did not exist. Thus, each city had its own local time, based on the observation of the sun. The dial of this watch indicates the time of Montevideo in the middle, where its owner resided, at the same time as those of San Francisco, Rio de Janeiro, New York and Paris, different not only in hours, but also in minutes.

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