Chronoswiss
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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
12'900,00
CHF
Your personal consultation with Chronoswiss
Our team of watch experts is happy to answer your questions and requests. You will receive all information first hand, directly from the Atelier Lucerne. It is important to us to make the purchase of your Chronoswiss and the service afterwards an all-round positive experience for you.
Specifications
Case
Material
Stainless steel
Number of parts
38
Case back
Screw-down case back with satin finish and sapphire crystal
Diameter
41
Height
14.8 mm
Band width
21
Finish
Partly polished, partly with satin finish
Bezel
Polished screw-down bezel with full thread and side knurling with curved, double coated anti-reflective sapphire crystal
Movement
Movement
Caliber C. 741 S, automatic, skeletonized
Frequency
4 Hz (28,800 A/h)
Power reserve
Approx. 46 hours
Number of jewels
25
Finish
Polished pallet lever, escape wheel and screws; bridges and plates with perlage
Rotor
Skeletonized and rhodium-plated rotor with Côtes de Genève and ball bearing
Dial
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
Design of hands
Thermally blued, diamond cut and curved; minute hand bent by hand
Shape of hands
"Breguet Losange"
Strap & buckle
Strap material
Louisiana alligator leather
Type of buckle
Folding clasp
Characteristics
Water resistance
10 bar( 100m )
Special features
Skeletonized dial
Opus Chronograph functions
Modern mechanical watches
MAKING OF
Unique mechanical wristwatches
Beat Weinmann
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You can speak with me in: German, English, French
