ジラールペルゴのインスタグラム(girardperregaux) - 11月8日 15時26分

Upclose with the Girard-Perregaux 1966 equation of time. The month is displayed in the large window opposite to the date. This ingenious construction only requires a single adjustment of the date per year, in February, which is easily carried out through the watch’s crown. In both direction, no corrector on the case). Indicated by a cam appearing in relief on a wheel that completes one revolution per year, the Equation of Time is displayed at 4:30 on the dial. It shows the difference between civil time and solar time. For, in reality, the solar day varies in duration from day to day. While the two reference times in question coincide exactly four times per year, the accumulated difference between them can be as much as, for example, 16 minutes in November. #wotd #womw #watches #watchnerd #watchgeek #watchhistory #watchesofinstagram #timepieces #instawatches #calendar #equationoftime #1966 #luxury #luxurywatches #swisswatches #orologi #uhren #dresswatch #horlogerie #hautehorlogerie #horology #reloj #relojeria #relogios

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