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The 2020 version of the exceptionally complex 300-part masterpiece Opus Chronograph – which in 1995 advanced the skeletonising chapter at Chronoswiss – has been thoroughly updated. It now offers a modern geometry with a 41-millimetre case and shorter lugs.
41 mm
10 bar
(100 m)
Caliber C.741S
automatic
46 h
Opus Chronograph
CH-7543.1S-SI
The skeletonized dial and movement of the elegant chronograph reveal deep insight into the fascinating world of a perfect mechanical watch.
Availability: Available
11'400,00
CHF
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Beat Weinmann
Call now:
+41 (0) 79 232 63 15
Specifications
Case
Case back
Screw-down case back with satin finish and sapphire crystal
Bezel
Polished screw-down bezel with full thread and side knurling with curved, double coated anti-reflective sapphire crystal
Material
Stainless steel
Diameter
41
Band width
21
Number of parts
38
Finish
Partly polished, partly with satin finish
Height
14.8 mm
Movement
Movement
Caliber C.301, automatic
Finish
Polished pallet lever, escape wheel and screws; bridges and plates with perlage
Frequency
4 Hz (28,800 A/h)
Power reserve
Approx. 46 hours
Number of jewels
25
Rotor
Skeletonized and rhodium-plated rotor with Côtes de Genève and ball bearing
Dial
Shape of hands
"Breguet Losange"
Design of hands
Thermally blued, diamond cut and curved; minute hand bent by hand
Dial material
Solid sterling silver (925), skeletonized
Displays
Central hours and minutes, small seconds, central chronograph seconds, 30-minute counter, 12-hour counter, analog date
Strap & buckle
Type of buckle
Pin buckle bicolor
Strap material
Louisiana alligator leather
Characteristics
Water resistance
10 bar( 100m )
Special features
Skeletonized dial
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