Friday, May 15, 2015

Chronoswiss Sirius Big Date Small Seconds

Available in two versions - 18-karat red gold (Ref. CH-8421R) or Stainless steel (Ref. CH-8423) and equipped with an automatic movement, the Chronoswiss Sirius Big Date Small Seconds  boasts a small seconds counter at 6’o clock and a big date window at 12’o clock.
Other features of the timepiece include polished bezel with side knurling, full thread and anti-reflective sapphire crystal, Screw-down case back with full thread and sapphire crystal, Onion-style crown and Screw-in lugs with patented Autobloc system. The Solid sterling silver dial in guilloche finish features blued and polished Breguet hands.
Technical details
Reference numbers
CH-8421R: 18-karat red gold
CH-8423: Stainless steel

Displays 
Central hours, minutes, and seconds; big date window at 12:00, small seconds at 6:00

Case
Solid case in red gold or stainless steel; polished bezel with side knurling, full thread and 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. 284, automatic
Diameter: Ø 29.40 mm (approx. 13´´´)
Height: 5.35 mm
Jewels: 26
Balance: Glucydur, three-legged
Balance spring: Anachron
Fine adjustment: Eccentric
Shock protection: Incabloc
Frequency: 4 Hz., 28.800 vph (semi-oscillations)
Power reserve: Approx. 42 hours
Special features: Skeletonized, rhodium-plated rotor with côtes de Genève and ball bearing; polished pallet fork, escape wheel and screws; plates and bridges with perlage

Dial 
Solid sterling silver dial (925), guilloché
Hands: Thermally blued and polished; Breguet shape

Strap 
Louisiana alligator leather

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