Hands-On with the Jaquet Droz Grande Seconde Dual Time

Jaquet Droz gives its signature wristwatch added functionality with a date and second time zone.

A second time zone and date have been seamlessly integrated into the dial of the Grande Seconde, a watch that’s synonymous with Jaquet Droz and available in a bewildering array of variations, from the entry-level steel and onyx model to the gorgeous paillonnée enamel limited edition.

Based on a 19th century Jaquet Droz pocket watch, the Grande Seconde is characterised by an oversized seconds sub-dial. That leaves space for three scales on the sub-seconds, the innermost being the second time zone 24-hour scale in blue, followed by the date (from “1” to “31”), and then the seconds. To differentiate between the three hands on the sub-dial, the pointer for the date is tipped in red. Conveniently, both the date and second time zone can be set via the crown.


Though there’s a lot of information on the sub-dial, the real estate devoted to it is sufficient. The scales are distinct and legible, though the small size of the individual numbers mean it can take a moment to read the second time zone.

The watch is powered by the automatic calibre 2663H24 that features a silicon hairspring and pallet fork, common to most Jaquet Droz watches. Originally based on the Frederic Piguet 1150, the calibre is distinguished by its twin barrels and longish 65-hour power reserve.

Jaquet Droz Grande Seconde Dual Time rose gold 4

Like most other Jaquet Droz men’s watches, the case is a large 43mm in diameter. It’s a simple form from the front, but with an unusual profile: the case flanks rise outwards towards the bezel, meaning the case back has a smaller footprint than the bezel.

Three distinct versions

Three versions of the Grande Seconde Dual Time are available, two in steel and one in rose gold. All share the exact same functions and dial layout, but the dial details and materials differ.

The top of the line gold version has a two-piece vitreous enamel dial (often called grand feu enamel); the sub-dial is a separate piece that sits below the level of the main dial. Also unique to the gold model is the 18k rose gold rotor; the steel versions have brass rotors.

Jaquet Droz Grande Seconde Dual Time rose gold 3

The steel model is available with a silvered dial featuring countersunk sub-dials – this is most affordable version of the Grande Seconde Dual Time.

Jaquet Droz Grande Seconde Dual Time steel silver 1

Jaquet Droz Grande Seconde Dual Time steel silver 2

The second stainless steel version has a black onyx dial. Extremely black and glossy, the onyx dial has applied 18k white gold rings to mark the sub-dials, giving it the cleanest and most modern look of the three.

Jaquet Droz Grande Seconde Dual Time steel onyx 1

Jaquet Droz Grande Seconde Dual Time steel onyx 2

Pricing and availability 

The Grande Seconde Dual Time starts at US$16,000 or S$26,000 for the steel and opaline version (ref. J016030240), while the steel and onyx (ref. J016030270) is US$17,500 or S$28,000.

The rose gold model with enamel dial (ref. J016033200) is US$26,800 or S$43,000.

They are available from Jaquet Droz retailers and boutiques.

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Introducing the New, Improved Vacheron Constantin Traditionnelle Chronograph Perpetual Calendar

Vacheron Constantin bestows the upgraded chronograph calibre 1142 on its chronograph-perpetual calendar.

Keeping the same design, the new Vacheron Constantin Traditionnelle Chronograph Perpetual Calendar in platinum has nonetheless been substantially improved now that it has the calibre 1142 QP inside.

First used on the retro Cornes de Vache chronograph, the calibre 1142 is a variation of the calibre 1141, a movement based on the Lemania 2310 that Vacheron Constantin used since the 1980s and found on the earlier Traditionelle chronographs. The sharp eye will realise that this is the same calibre found in the Patek Philippe refs. 3970, 5070 and 5970, though the chronograph mechanism in those has been significantly reshaped.

While the first generation 1141 was almost identical to a stock Lemania movement, the upgraded 1142 has a two key improvements, namely the free-sprung, screwed balance wheel beating at 21,600 beats per hour (instead of 18,800 bph).

Vacheron Constantin Traditionnelle chronograph perpetual calendar platinum black 4

That aside, the perpetual calendar mechanism identical, as is the dial design. It’s a traditional chronograph perpetual calendar layout, though the size of the watch – the case is 43mm in diameter – means the sub-dials and calendar windows are small and clustered in the middle of the dial.

Vacheron Constantin Traditionnelle chronograph perpetual calendar platinum black 3

One charming detail that Vacheron Constantin has retained from earlier models is the alternately smiling and frowning face on the moon which is on a disc of 22k white gold.

Vacheron Constantin Traditionnelle chronograph perpetual calendar platinum black 1

Pricing and availability 

Available starting the last quarter of 2016, the Traditionnelle Chronograph Perpetual Calendar in platinum is priced at US$150,000 or S$230,300.

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