The smoothly curving lines of the Sirius Regulator Jumping Hour is an indication of the cultured and restrained elegance that this attractive range from Chronoswiss projects.  

Chronoswiss is reputed as the master of regulators and the Sirius Regulator Jumping Hour bears the essence of the famed DNA through every line and facet. The subdials stand out from the dial in distinguished differentiation, with contrasting finishes ensuring that they stand out in stark relief against the stunning guilloche patterned dial. The blued hands add another note of style to the overall look.

Crafted in variations of red gold and stainless steel, the watch features an off centre minutes and seconds hand, with the subdial for the hours being substituted by a digital display at 12 o’clock.  

The Sirius Regulator Juming Hour comes with a solid case in red gold or stainless steel with a screw-down polished bezel with side knurling, full thread und anti-reflective sapphire crystal and a screw-down case back with full thread and sapphire crystal, The watches come with the characteristic onion-style crown; screw-in lugs with the patented Autobloc System and are water-resistant to 3 bar.

Technical Data

Model: Sirius Régulateur Jumping Hour Reference numbers

CH-8321R 18-karat red gold

CH-8323 Stainless steel

Displays Digital jumping hours, off-center minutes and small seconds

Case Solid case in red gold or stainless steel; screw-down polished bezel with side knurling, full thread und anti-reflective sapphire crystal; screw-down case back with full thread and sapphire crystal; onion-style crown; screw-in lugs with patented Autobloc System; water-resistant to 3 bar

Measurements Ø 40 mm, height 10.35 mm

Movement Chronoswiss Caliber C.283, automatic

Diameter Ø 29.40 mm (approx. 13´´´)

Height 5.35 mm

Jewels 27

Balance Glucydur, three-legged

Balance spring Anachron

Shock protection Incabloc shock protection

Frequency Hz., 28.800 vph (semi-oscillations)

Power reserve Approx. 42 hours

Special features Skeletonized and rhodium-plated rotor with côtes de Genève, ball bearing; polished pallet lever, escape wheel and screws; bridges and plates with perlage

Dial Solid sterling silver (925), guilloche

Hands Thermally blued hands, hand-finished, Feuillet shape

Strap Louisiana alligator leather