5 Calendar and Moon-Phase Watches from Baselworld 2017

For your last-minute Father’s Day gift consideration, we conclude our series of features showcasing notable new watches from Baselworld, in several popular categories, with a look at five calendar watches and moon-phase watches that stood out from the pack.

Breguet based some of the aesthetics of its Classique 7787 Moon Phases wristwatch on a historical Breguet pocketwatch, no. 92, which dates to 1785. Among the vintage-inspired details are the power-reserve scale, decorated with small arrows, and the minuscule stars used to represent the minutes, with five-minute intervals marked by stylized fleurs-de-lis. Released this year in an 18k white gold case, measuring 39 mm in diameter and featuring the delicately fluted caseband characteristic of models in Breguet’s Classique collection, the watch features a Grand Feu enamel dial that hosts central hour, minute and seconds hands, as well as two complications: the age and phases of the moon in an aperture at 12 o’clock and the aforementioned, unconventional power-reserve indicator at 3 o’clock, with an elegant, elongated hand indicating the watch’s remaining energy on a 1-to-38-hour scale. Inside the case, and visible through a clear sapphire caseback, is Breguet’s manufacture Caliber 591DRL, a self-winding mechanical movement only 3.02 mm thick. It stores its 38-hour power reserve in a double barrel and includes an escapement and balance spring made of silicon — a material Breguet uses for its extremely lightness, improved shock resistance, antimagnetic properties, and lack of need for lubrication. The price: $30,200.

Breguet Classique 7787
Breguet Classique 7787

The Glashütte Original Senator Excellence Perpetual Calendar combines the time, weekday, month, and leap-year indications of a traditional perpetual calendar with the Saxon manufacture’s own finely worked moon-phase display and its well-known Panorama Date feature. Discreet correctors in the sides of the 42-mm case enable easy adjustments to the weekday, month, and moon-phase displays, while another “universal” corrector sets or changes the day, date, and month together. The various timekeeping and calendar elements are arranged in elegant symmetry around the varnished, silver-grained dial. The watch’s movement is Caliber 36-02 — the base Caliber 36, introduced in the brand’s original Senator Excellence models in 2016, with an in-house-made perpetual calendar module. The case is water-resistant to 50 meters and its dial hosts laser-cut, galvanic black indices (Roman numerals at 6 and 12 o’clock) and a classical railroad chapter ring. In a bit of aesthetic subtlety, the leap year “4” numeral and the minute numerals are printed in black on the stainless steel model and in red on the rose-gold watch (pictured). Both versions have striking, traditionally blued hands for the hours, minutes, and seconds. For more details and to see other versions of the watch, read our report from Baselworld 2017.

Glashutte Original Senator Excellence Perpetual Calendar - gold - angle
Glashütte Original Senator Excellence Perpetual Calendar

The Jaquet Droz Grande Seconde Moon incorporates an astronomical moon-phase indicator into the elegant figure-eight dial design characteristic of the Grande Seconde collection. Requiring adjustment only once every 122 years and 46 days, the specially developed moon-phase mechanism 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 — whose design varies slightly according to the version — discreetly displays the hours and minutes. Like last year’s Grande Seconde Dual Time, the Grande Seconde Moon will be available with three dials and two case materials — two steel-cased models, one with a silvery opaline dial, the other with a black onyx dial (pictured); and one model in an 18k rose gold case, with an ivory enamel dial. The cases measure 43 mm in diameter. The moon-phase disk, nestled inside the circular scales for the seconds and the hand-type date indicator, is made of either blued steel (in the silvered and ivory enamel dial versions) or onyx (matching the dial material of the other steel model), with tiny gold stars and a realistic-looking gold moon that rotates clockwise in tune with the actual 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 included with each watch — makes adjustments of the moon-phase easy. All versions of the Jaquet Droz Grande Seconde Moon are on leather straps, and equipped with self-winding mechanical movements. For more details, prices, and other versions, click here for our report on the watch from Baselworld.


Jaquet Droz Grande Seconde Moon - Onyx - front
Jaquet Droz Grande Seconde Moon – Onyx dial

Patek Philippe, which famously gave the world its first wristwatch with a perpetual calendar in 1925, reached into its prestigious history with that complication to inspire the new Ref. 5320G Perpetual Calendar. Patek first integrated the perpetual calendar wristwatch into its regular collection in 1941 with the introduction of Ref. 1518, a watch that combined a perpetual calendar with a chronograph. A year later, Ref. 1526, a model without a chronograph function, debuted. Both pieces pioneered the distinctive dial design that still today defines Patek Philippe’s perpetual calendar timepieces: a double aperture directly below 12 o’clock for the day and month displays, and a subdial at 6 o’clock with a moon-phase indicator surrounded by an analog date display. This watch, with its historical-looking cream-colored lacquer dial, adds a few new, subtle elements to this classical layout: a small, round day-night aperture between 7 and 8 o’clock and a round aperture for the leap-year cycle, with Arabic numerals from 1 to 4, between 4 and 5 o’clock. The watch’s manufacture movement is Caliber 324 S Q, based on Patek’s self-winding Caliber 324, which is powered by a large rotor in 21K gold. Like all modern Patek Philippe calibers, this one not only boasts an array of haute horlogerie decorations and finishes, but also meets the strict precision and quality criteria of the Patek Philippe seal, meaning, among other things, that its maximum rate deviation ranges between -3 and +2 seconds per day. The 40-mm white gold case features a sapphire caseback to display the movement as well as a boxed crystal over the dial and historically inspired three-tiered lugs. For more on the watch, its price, and the history behind it, click here.

Patek Philippe Ref. 5320G - soldier
Patek Philippe Ref. 5320G

Rolex introduced the newest model in its elegantly appointed Cellini collection, the Rolex Cellini Moonphase, at Baselworld. The watch features a patented, astronomical moon-phase function (the first moon-phase in a Rolex watch since the 1950s), a meteorite-appliqué moon, and a 39-mm case made of Everose gold, a proprietary alloy that mixes gold, copper, and a touch of platinum, and sports a polished finish. The case features the double-domed, fluted bezel that is a hallmark of the Cellini collection, and a screw-down crown for a water-resistance of 60 meters. Its white lacquered dial, with rose gold hands and hour appliqués, opens up at 6 o’clock to reveal a blue enameled disk displaying the full moon (represented visually by a round fragment of rhodium-plated meteorite applied to the disk), the new moon (represented by a thin, silver ring), and a field of stars. The pointer at the 12 o’clock position on this subdial points to the correct moon-phase as the two moons rotate through the lunar cycle. Along with the phase of the moon, this watch also displays the date with a crescent-tipped blued hand pointing to a 1 -through-31 scale printed around the dial’s circumference. The movement driving all of these functions is Rolex’s manufacture Caliber 3195, with a patented module for the moon-phase indication, which is engineered to be astronomically accurate for 122 years. The watch is offered on a brown leather strap with an adjustable “Crownclasp” fastener. For more details, photos, and prices, click here.

Rolex Cellini Moonphase - angle
Rolex Cellini Moonphase





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  1. ….and none would be relevant to us here in Australia (each watch would typically demonstrate the moon phases as seen in the northern hemisphere)

  2. Wonderful like always, Breguet is manufacturing great looking watches and very very suitable for executive wear. Moon Phase give an extra ordinary looks. Thanks once agian watchtime.com for presenting excellent article.


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