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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

11'900,00

EUR
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Specifications

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Beat Weinmann

Call now:

+41 (0) 79 232 63 15

Various Models

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 blue rotor with Côtes de Genève and ball bearing

Dial

Shape of hands
"Breguet Losange"

Design of hands
Lacquered, curved; minute hand bent by hand

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

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

Strap & buckle

Type of buckle
Pin buckle bicolor

Strap material
Louisiana alligator leather

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

call

Simply call

+41 (0) 79 232 63 15


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

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