Chopard proudly unveils its most complicated chiming watch to date – the LUC Grand Strike. This is the ultimate evolution of Chopard's chiming complications, integrating minute repeater, grand sonnerie, and petite sonnerie functions into a new movement, achieving dual certification.
Chopard is no stranger to chiming watches – in fact, it's one of the first brands I associate with the chiming function, as evidenced by its LUC series. It seems Chopard has prepared a major release for the year-end, and the LUC Grand Strike, launched today, is the brand's most complicated chiming watch to date. The main functions of the new LUC Grand Strike include: grand sonnerie, petite sonnerie, minute repeater, and a 60-second tourbillon with stop-seconds.
First, let's look at the appearance. This watch is crafted from 18K white gold, meeting environmental standards. The case outline should be familiar to those who have seen the Full Strike series; this time, the diameter is 43mm and the thickness is 14.08mm. Chopard minute repeater watches typically activate the striking function via an integrated crown pusher, but this time, a sliding switch is located on the side of the case, above the pusher, to select the desired passive striking mode: Grande Sonnerie, striking every quarter hour and on the hour; Petite Sonnerie, striking only on the hour; and of course, a completely silent mode. Regardless of the mode selected, the minute repeater function can be activated via the crown pusher.
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Yes, this watch features a transparent case back, but a single glance at the dial (or rather, the absence of a dial) reveals the intricate complexity of the new manual-winding 686-piece LUC 08.03-L movement. The deep, sculpted dial is breathtaking, revealing the warm sheen of the German silver bridges and plates. While it can sometimes feel information overload—admittedly, legibility doesn't seem to be a primary consideration for this watch—the movement's intricate structure ensures all necessary information is clearly presented. A small disc window below the 12 o'clock position displays the current striking mode ("P" for a small striking, "G" for a large striking, and "S" for a silent striking), and to its right is the power reserve indicator. There are two power reserve indicators, corresponding to the movement's two mainspring barrels—one for the chronograph function and the other for the striking function. The movement has a power reserve of up to 70 hours, while the large striking mode offers at least 12 hours. Two polished, multifaceted hands indicate the power reserve level in each mainspring barrel and whether winding is required.
Above the 6 o'clock position is the small seconds hand, connected to a 60-second tourbillon. Impressively, this is a stop-seconds tourbillon, meaning that when the crown is pulled out, the tourbillon cage itself stops rotating—a feature extremely rare in the market. Even without a seconds marker on the dial, this design is sufficient to demonstrate the watch's chronograph accuracy.
Prominently positioned at 10 o'clock, Chopard's expertise in this area lies in using sapphire crystal instead of steel for the gongs, resulting in a resounding and clear chime. The integrated structure further enhances the quality of the gongs: the sapphire gongs are directly integrated into the dial crystal, allowing the sound to radiate without passing through any other material. The sapphire crystal itself is also engraved with a railway-style minute track.
The Chopard team has applied five new patents to the LUC Grand Strike watch, drawing upon five previously developed patented technologies. Many of these patents focus on user experience, such as safety features that ensure the wearer can activate the chiming mechanism or switch modes without damaging the movement or timekeeping accuracy. Other patents focus on performance improvements, such as reducing the torque required to activate the passive chiming and preventing incomplete or partial chimes.
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In addition, this watch is certified with the Geneva Seal and the Swiss Official Chronometer Testing Institute (COSC). It's worth noting that its chronometer certification was conducted in petit sonnerie mode. Chopard emphasizes that petit sonnerie mode is actually more power-consuming than regular petit sonnerie mode because the quarter-hour striking needs to be actively suppressed.
This timepiece is a true showcase of Chopard's prowess and deserves praise. While there are already many grand sonnerie tourbillon watches on the market, the LUC Grand Strike, with its ingenious sapphire crystal gong design and integrated crown pushers, still exudes a distinct Chopard style. I particularly appreciate the stop-seconds function of the seconds hand connected to the tourbillon in this new movement; this exquisite mechanical design fully demonstrates Chopard's exceptional watchmaking skills. Admittedly, considering the absence of seconds markers on the dial, I slightly jokingly commented on this function, but I believe its significance will become clear when we see a LUC Grand Strike with a solid dial and markers.
Chopard's decision to remove the dial is not a new design for the brand; they have always been happy to showcase the striking hammers and gongs, but here it undoubtedly highlights the complexity of the new movement. This seems to be a tribute to the development of Chopard's chiming watches, from the early Strike One hourly chiming watch to numerous versions of the Full Strike minute repeater watch, and even the tourbillon version, Chopard has continuously innovated. The Grand Strike watch combines all of the above advantages, and for those fortunate enough to have a choice in this price range, the Grand Strike watch may be my best choice among many attractive options. I can't wait to hear its chimes.
