Showing at WatchTime New York 2017: Jaquet Droz Grande Seconde Moon Ivory Enamel

Jaquet Droz expanded its flagship Grande Seconde series last year with the addition of a dual-time model (we review it here); the La Chaux-de-Fonds-based brand followed it up this year by incorporating another new horological complication to the collection’s classical figure-eight design — the Jaquet Droz Grande Seconde Moon, which will be among the highlight timepieces at next month’s WatchTime New York collectors’ event.

Jaquet Droz Grande Seconde Moon - Ivory - front
Jaquet Droz Grande Seconde Moon with ivory enamel dial

Whereas the Grande Seconde Dual Time updated the original model by placing a GMT indication inside the large seconds/date display subdial (the lower circle of the dial’s figure eight), the Grande Seconde Moon adds a striking astronomical moon-phase indicator. Requiring adjustment only once every 122 years and 46 days, the specially developed “mechanism 135” for the moon-phase has a carefully studied gear ratio that makes it much more precise than the 59-toothed mechanism in a traditional moon-phase, which accumulates an error of one day in approximately two years, seven months, and 20 days. The upper subdial discreetly displays the hours and minutes.

The watch has an 18k rose gold case measuring 43 mm in diameter and is graced with an ivory enamel dial and an applied, satin-finish, rose-gold circular ring surrounding the moon-phase aperture. (There will also be two steel-cased models available, one with a silvery opaline dial with Roman numerals in the upper subdial, the other with a deep black onyx dial with thin hour indices in the upper subdial.)


Jaquet Droz Grande Seconde Moon - Ivory - back
The self-winding movement of the Jaquet Droz Grande Seconde Moon is visible through the caseback.

The moon-phase disk, nestled inside the circular scales for the seconds and the hand-type date indicator, is made of blued steel, with tiny gold stars and a realistic-looking gold moon that rotates clockwise in faithful tune with the actual moon’s lunar cycles. The double-level structure of the dial aids in legibility, while a corrector positioned in the side of the case at 8 o’clock — operated by a stylus that is included with each watch — makes adjustments of the moon-phase easy.

The Jaquet Droz Grande Seconde Moon is equipped with a self-winding mechanical movement (pictured above), mounted on a brown leather strap, and priced at $28,900. Care to find out what this timepiece, and many others from 30 sponsoring luxury watch brands, looks and feels like on your own wrist? Click here to order your tickets to WatchTime New York, America’s luxury watch show, on October 13-14.

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