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Limited to 50 pieces

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.

Diameter Diameter 41 mm
Water-resistant Water-resistant 10 bar (100 m)
Movement Movement Caliber C.741S automatic
Power reserve Power reserve 46 h
Limited Edition Limited Edition 50 pieces

Opus Chronograph

CH-7543.1S-BLOR

The skeletonized dial and movement of the chronograph reveal deep insight into the fascinating world of a perfect mechanical watch.

Availability: Available

11'800,00

CHF
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Specifications

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We will respond to your request within 24 hours.

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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.

Various Models








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 blue rotor with Côtes de Genève and ball bearing

Dial

Dial material
Solid sterling silver (925), skeletonized, blue

Displays
Central hours and minutes, small seconds, central chronograph seconds, 30-minute counter, 12-hour counter, analog date

Design of hands
Lacquered, 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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Beat Weinmann

You can speak with me in: German, English, French

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