CHRONOSWISS – Grand Lunar Chronograph & Grand Opus Chronograph

The Lunar Chronograph with moon-phase display, as well as the elaborately skeletonized Opus Chronograph, will both be available in the future one size larger, i.e. with cases measuring a generous 41 millimeters in diameter.

But these ticking siblings from the Chronoswiss manufactory have more in common with one another than their large dimensions: another shared characteristic is the innovative bezel with a smooth upper surface and fluting around the rim. This contrasts markedly with the original grooved form, i.e. the fluting that characterizes the typical Chronoswiss bezel.

The smooth topped bezel aptly complements the new dimensions and lends a sportily elegant touch to these chronographs. In acknowledgement of their larger size, these two neophytes proudly include the adjective “grand” in their names: the Grand Lunar Chronograph and the Grand Opus Chronograph both distinguish themselves with this epithet.

CHRONOSWISS – Grand Lunar Chronograph

The new Grand Lunar Chronograph invites its wearer to track the phases of the Earth’s satellite. Together with the exceedingly important date indicator, displays of the moon’s age and phase adorn this sporty chronograph’s massive sterling silver dial, above which a domed, scratch-resistant, anti-reflective sapphire crystal arches protectively.

The familiar chronograph case, which is available in gold, steel/gold or steel, remains water resistant during dives as deep as 30 meters below the water’s surface. An individually numbered, precisely running, meticulously regulated, automatic movement (Caliber C. 755) assures that the Grand Lunar Chronograph will never go loony.

Chronoswiss knows that aficionados of mechanical timepieces are ardently interested in the complex inner lives and diverse functional sequences of these ticking marvels, so this manufactory has endowed its automatic chronograph with the necessary transparency. Laborious and dexterous handcraftsmanship is required to pare away all superfluous material. When extremest limits of feasibility have been reached, what remains is a filigreed skeleton which functions just as well as its did when it was fully fleshed. A lingering look through a jeweler’s loupe is needed to discover the full scope of these functions.

CHRONOSWISS – Grand Opus Chronograph

Only with optical aid can a connoisseur’s gaze penetrate into the inmost depths of the 7.9-mm-tall movement. Because this skeletonized automatic chronograph (incidentally: the first watch of this kind to be serially manufactured) embodies an artistic opus of the consummate perfection, Chronoswiss has fittingly named it “Opus.”

CHRONOSWISS Grand Lunar Chronograph
Automatic chronograph with moon-phase display
Reference: CH 7541 L R, 18 ct red gold CH 7543 L, steel

Displays
Hours, minutes, small seconds, analogue date, moon’s phases, chrono-center second, 30-minute-register and 12-hour-register

Case
Massive 23-part case, push-pieces and onion-shaped crown crafted from the same material as the case, diameter 41mm, height 15 mm; abraded, polished, screwed and fluted bezel with sapphire crystal that’s anti-reflective on one surface, fully threaded screw-in back with pane of anti-reflective sapphire  crystal, screwed strap bars with patented system Autobloc, water resistant to 3 atmospheres (30 meters)

Movement
Chronoswiss Caliber C.755, automatic winding, diameter 30 mm (13¼ lignes), 25 jewels, Incabloc shock absorbers, 46-hour power reserve, 4 hertz 28,800 A/h vibrations per hour (vph), skeletonized rotor, individually numbered

Dial
Massive, guilloché-decorated, 925 Sterling Silver dial,with printed Arabic numerals, minute-circle with ¼-second subdivisions, blued, gold-plated or white lacquered Breguet losange steel hands

CHRONOSWISS Grand Opus Chronograph
The skeletonized automatic chronograph
Reference: CH 7541 S R, 18 ct red gold CH 7543 S, steel

Displays
Hours, minutes, seconds analogue date, chrono-center second, 30-minute-register and 12-hour-register

Case
Massive 23-part case, push-pieces and onion-shaped crown crafted from the same material as the case, diameter 41mm, height 15 mm; abraded, polished,screwed and fluted bezel with sapphire crystal that’s anti-reflective on one surface, fully threaded screw-in back with pane of anti-reflective sapphire crystal, screwed strap bars with patented system Autobloc, water resistant to 3atmospheres (30 meters)

Movement
Chronoswiss Caliber C.741 S, automatic winding,Diameter 30 mm ( 13¼ lignes), 25 jewels, Incabloc shock absorbers, 46-hourpower reserve, 4 hertz 28,800 A/h vibrations per hour (vph), individually numbered, skeletonized movement

Dial
Skeletonized and beveled metal dial with printed Arabic numerals, minutecircle with ¼-second subdivisions, individually numbered, polished or blued Breguet losange steel hands

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