Opus Chronograph Opus

Delivery Time 14 to 21 days (Payment in advance)

Technical Data

Model Opus Chronograph
Reference CH-7543.1S-SI

Displays Sweep hours and minutes, seconds, analogue date, sweep
chronograph seconds, 30-minute counter, 12-hour counter
Case Solid 23 pieces, stainless steel case, 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 up to 10 bar, screw-in lugs with
patented Autobloc system
Measurements Ø 41 mm, height 14.80 mm
Movement Chronoswiss Caliber C.741S, automatic, skeletonized
Diameter Ø 30 mm (13 1/4´´´)
Height 7.90 mm
Jewels 25
Balance Glucydur, three-legged
Balance spring Nivarox I
Shock protection Incabloc
Frequency 4 Hz., 28‘800 A/h
Power reserve Approx. 46 hours
Special features Skeletonized and CVD-plated blue rotor with Côtes de Genève, ball
bearings; polished pallet lever, escape wheel and screws;
skeletonized bridges and base plate with perlage, galvanic black
Dial Skeletonized, galvanic silver
Hands Breguet Losange shape, lacquered blue
Strap Calfskin leather with alligator embossing, hand-sewn