Chronoswiss refreshes the skeletonized Opus Chronograph, one of the Lucerne-based watchmaker’s best-known watches, with new colors and finishes. The new version, dubbed Opus Chronograph Flag due to its red, white and blue colors, spotlights recent technical upgrades that include stronger water resistance, shorter lugs and superior anti-glare treatment.
First seen in 1995, the Opus Chronograph quickly became a favorite of skeleton watch fans. Chronoswiss notes that it was among the first watchmakers to utilize the then-new pantograph technique for cutting skeleton components when it created the watch’s signature mix of finely cut, filigreed bridges topped with clearly marked subdial perimeters.
The pantograph technique requires the manufacturer to create an oversized depiction of the movement. Then, computer–assisted machinery follows a steel finger along the pattern while a mechanical arm guides the tool that mills the movement’s components, essentially skeletonizing them.
Underneath the newest Opus Chronograph’s blue and white subdial perimeters you’ll see the eye-catching blackened, galvanic-finished bridges of the Chronoswiss Caliber C.741S movement, which Chronoswiss creates using an ETA Valjoux 7750 base. The chronograph hands (center seconds, 30-minute counter and 12-hour counter) are red.
As noted, this newest Opus, which initially debuted last year, allows the wearer to view the skeletonizing clearer than before now that the watch’s curved sapphire crystal is treated with anti-reflection treatment on both sides.
Chronoswiss finishes with watch with a satin-brushed case band, polished lugs and the knurled bezel and large onion crown well known to the brand’s fans. Water resistance has also been improved, and now protects to 100 meters. Price: $11,400.
Specifications: Chronoswiss Opus Chronograph Flag
Movement: Automatic Chronoswiss Caliber C.741S from ETA Valjoux 7750 base, skeletonized and CVD-plated blue rotor with Côtes de Genève, ball bearings; polished pallet lever, escape wheel and screws, 28,800 vph, 46-hour power reserve, skeletonized bridges and base plate with perlage, galvanic black color.
Dial: Skeletonized, galvanic blue and silver, sweep hours and minutes, seconds, analogue date, red sweep chronograph seconds, 30-minute counter and 12-hour counter. Hands are lacquered and curved with minute hand bent by hand.
Case: 41mm by 14.8mm 23-piece solid-stainless steel with satin finish and polished, bezel with partial knurling and curved, double coated anti-reflective sapphire crystal, screw-down case back with satin finish and sapphire crystal, onion crown, water resistance to 100 meters, screw-in lugs with patented Autobloc system.
Bracelet: Louisiana alligator leather, hand-sewn with folding clasp.
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