Classique Tourbillon 7357
7357PT/1A/386
Classique Tourbillon 7357
7357BH/1H/386
- Movement 187B
- Diameter 35 mm
- Shape Round
- Material Platinum
- Number of components 190
- Winding Manual winding
- Movement 187B
- Diameter 35 mm
- Shape Round
- Material 18K Breguet gold
- Number of components 190
- Winding Manual winding
Breguet, inventor of the tourbillon
The new Classique Tourbillon 7357 is its direct descendant, based on an optimised version of the famous 558 movement now known as Cal. 187B. The watch is available in two versions (platinum and Breguet gold), bearing the Breguet hallmark.
Timepiece Architecture
Movement 187B
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Balance wheel
A vis
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Power reserve
60 hours
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Thickness
4.9 mm
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Frequency
2.5 Hz
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Width
30 mm
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Number of components
190
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Winding
Manual winding
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Balance spring
Breguet Nivachron™
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Diameter
35 mm
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Width of lugs
18 mm
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Thickness
8.9 mm
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Water resistance
3 BAR
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Shape
Round
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Material
18K Breguet gold
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Type of crown
Non-screwed crown
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Caseback
Sapphire case back
Seconds display
The seconds display makes it possible to follow the passage of time with precision. Depending on the construction of the movement, it may take the form of a central seconds hand or an off-centred small seconds display, integrated into the architecture of the dial.
Tourbillon
Invented by Abraham-Louis Breguet in 1801, the tourbillon is designed to compensate for the effects of gravity on the regulating organ. By placing the escapement and the balance wheel in a mobile cage, it remains one of the House’s most emblematic complications.
Bevelling
Bevelling consists in chamfering and then polishing the edges of the movement components. This finish highlights the contours of the parts, catches the light and reveals the precision of the work devoted to the smallest details.
Stretching / dressing
Stretching and dressing prepare or finish metal surfaces through the regular working of the material. These operations create clean, flat and even surfaces, essential both to visual quality and to assembly precision.
Perlage
Perlage consists in applying small regular overlapping circles to the movement components. This decorative finish creates a luminous texture and highlights the care devoted to surfaces that are usually only scarcely visible.
Guilloché
Engine-turning engraves regular patterns into the material using a hand-operated lathe. At Breguet, this expertise structures the dial, catches the light and reinforces the legibility of the indications.
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