The Sirius Répétition à Quarts offers both visual and acoustic indications of time thanks to the spectacular Caliber C.126, automatic movement that beats inside this timepiece. Available in 18 carat red gold and stainless steel versions, Sirius Répétition à Quarts by Chronoswiss features polished screw-down bezel with side knurling, full thread and anti-reflective sapphire crystal, screw-down case back with satin finish and sapphire crystal, onion style crown and control lever at 9:00 that activates acoustic time indication on demand.
Technical details
Model: Sirius Répétition à Quarts
Reference numbers
CH-1651R: 18-karat red gold
CH-1653: Stainless Steel
Displays
Central hours and minutes, small seconds at 6:00, acoustic indication of time on demand
Case
Solid case in red gold or stainless steel; polished screw-down bezel with side knurling, full thread and anti-reflective sapphire crystal; screw-down case back with satin finish and sapphire crystal; onion style crown; control lever at 9:00; water-resistant to 3 bar; screw-in lugs with patented Autobloc system
Measurements: Ø 41 mm, height 14 mm
Movement
Chronoswiss Caliber C.126, automatic
Diameter: Ø 28 mm (12½´´´)
Height: 8.35 mm
Jewels: 38
Balance: Glucydur, three-legged
Balance spring: Nivarox I
Fine adjustment: Via excenter cam
Shock protection: Incabloc
Frequency: 4 Hz., 21.600 A/h (semi-oscillations)
Power reserve: Approx. 35 hours
Special features: Skeletonized red gold- or rhodium-plated rotor with côtes de Genève and ball bearing; polished pallet fork, escape wheel and screws; plates with perlage; bridges with côtes de Genève and sections with perlage; engravings and jewel settings gold-plated
Dial
Solid sterling silver (925), guilloché
Hands: Metal, red gold- or rhodium-plated, Feuille shape
Strap
Louisiana alligator leather