Chronoswiss Sirius Triple Date

Ticking family ties: Sirius has a big brother, the Sirius Triple Date. The sibling does complete justice to its family name as it embodies the fascination of astronomy in an eidetic way: the heavenly bodies of the complete calendar with its large moon phase can be admired on the moon disk located at 6 o’clock.

Like little brother Sirius, the Triple Date is also characterized by timeless, elegant design, proving that sometimes less is indeed more. Perfectly classic and still modern, its kingly origins are visible even in the tips of the hands making their rounds on the dial.

The hands of the watch are hand-finished and designed in the stylized leaf shape known as feuille that is just as much a distinguishing characteristic of this line as the elegant case with its polished bezel and curved strap lugs. The latter are always screw-mounted at Chronoswiss and number—just like the onion-style crown—among the very typical features of the brand.

Chronoswiss Sirius Triple Date watch CH 9341 R 18-kt red gold

The harmonious aesthetics are continued in the dial: three sweep hands showing hours, minutes, and seconds and two windows at 12 o’clock displaying month and day as well as the moon phase with a date hand at 6 o’clock—despite the many displays, the dial’s design remains classic and clean. The Sirius Triple Date’s only jewelry is found in its lavishly applied markers.

Chronoswiss Sirius Triple Date watch gold

Regardless of their visual similarities, the big difference between the two siblings is above all the mechanical values they carry inside: an automatic caliber ticks within the Sirius Triple Date, which was modified to accommodate the complete calendar with moon phase complication. Since this caliber is also somewhat more voluminous, the big brother houses it with a correspondingly bigger case.

Chronoswiss Sirius Triple Date watch CH 9343 stainless steel

Thus, the Sirius model competes for competition from within its own model family. And the only question that remains is which of the two models shines more brightly in the horological firmament.

Technical details

Model: Chronoswiss Sirius Triple Date

CH 9341 R (18-kt. red gold) & CH 9343 (stainless steel)

Sweep hour, minute, seconds, date (analogue), moon phase, day and month in windows

Solid multi-piece polished case, screw-down, polished, fully threaded bezel with anti-reflective sapphire crystal, fully threaded screw-down, polished case back and anti-reflective sapphire crystal, onion-shaped crown (crafted in solid metal of the case), screw-in strap lugs with patented Autobloc System, water-resistant to 3 atm; Measurements Ø 40 mm; Case variations Red gold (18-kt.), stainless steel

Exclusively reserved Chronoswiss Caliber C.931 (base ETA 2892-A2)
Modifications Moon phase disk, day and month disks
Diameter: Ø 25.6 mm (11 1/2´´´)
Height: 5.75 mm
Jewels: 21 jewels
Balance: Glucydur, three-legged
Balance spring: Nivarox I
Fine adjustment: Via excenter cam
Shock protection: Incabloc
Frequency: 4 Hz, 28,800 vph (oscillations)
Power reserve: Approx. 42 hours
Execution Skeletonized and gold-plated rotor with côtes de Genève, ball bearings, polished pallet lever, escape wheel and screws, sunburst pattern on bridges, base plate and bridges with perlage

Solid Sterling silver (925), matte silver-plated, blued or gold-plated markers and applied elements
Hands: Depending on version, blued or gold-plated hands, hand-finished, hand shape: feuille

Louisiana crocodile skin
Buckle: Buckle or folding clasp

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