Classique 5178
5178BA/29/9V6 D000
Classique 5178
5178BB/29/9V6 D000
Classique 5178
5178BR/29/9V6 D000
- Movement 777 Q
- Diameter 38 mm
- Shape Round
- Material 18K yellow gold
- Number of components 237
- Winding Automatic winding
- Movement 777 Q
- Diameter 38 mm
- Shape Round
- Material 18K white gold
- Number of components 237
- Winding Automatic winding
- Movement 777 Q
- Diameter 38 mm
- Shape Round
- Material 18K rose gold
- Number of components 237
- Winding Automatic winding
Timepiece Architecture
Movement 777 Q
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Balance wheel
Breguet
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Power reserve
55 hours
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Thickness
3.8 mm
-
Frequency
4 Hz
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Width
28 mm
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Number of components
237
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Winding
Automatic winding
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Balance spring
Flat silicon balance spring
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Diameter
38 mm
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Width of lugs
20 mm
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Thickness
8.8 mm
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Water resistance
3 BAR
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Shape
Round
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Material
18K white 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.
Calendar
The calendar displays the date on the dial, generally by aperture, hand or disc. Simple in appearance, this indication requires precise integration both into the movement and into the balance of the dial.
Straight stripes
Straight stripes are a decorative finish formed of regular parallel bands on the movement components. They structure the surface, soften reflections and highlight the geometry of the bridges.
Grand Feu enamelling
Grand Feu enamelling consists in applying enamel and firing it at very high temperatures until a stable, luminous surface is obtained. This expertise demands exceptional mastery, as each firing can either reveal the dial or permanently compromise it.
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.
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.
Sunburst finish
The sunburst finish is a decorative finish composed of radiating lines extending from a central point. It animates the surface through circular reflections and brings relief to components or dials.
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