Jaquet Droz presents four new variations of the Grande Seconde Moon watch today. Buoyed by the collection’s successful debut, the astronomical Moon Phase makes a return in gold, steel, Grand Feu enamel and aventurine.

The new Grande Seconde Moon combines the day-to-day practicality of precise hour, minute, seconds and date displays with the poetry of a 22-carat gold Moon Phase. Since the Moon Phase requires a greater level of precision, Jaquet Droz developed Mechanism 135, an in-house movement featuring a high precision 135-tooth wheel inside a Jaquet Droz 2660QL3 caliber.

While a traditional 59-tooth movement accumulates an error of one day every two years and eight months, the Jaquet Droz Moon Phase need only be adjusted by one day every 122 years thanks to a corrector discreetly incorporated into the middle of the case. The precision of the Grande Seconde Moon movement is thus infinitely closer to the actual lunar month which lasts exactly 29 days, 12 hours, 44 minutes and 2.8 seconds.

As well as the precision of the movement, these four new Grande Seconde Moon models lend a touch of poetry to the collection. The Moon is the favorite celestial body of watchmakers, bringing to every dial a quiet revolution, a new perception of time, an exclusive and poetic slice of astrological mystique that slips onto the wrist.