Classique Hora Mundi 5727
5727BB/12/9ZU
Classique Hora Mundi 5727
5727BR/12/9ZU
- Movement 77F0
- Diameter 43 mm
- Shape Round
- Material 18K white gold
- Number of components 371
- Winding Automatic winding
- Movement 77F0
- Diameter 43 mm
- Shape Round
- Material 18K rose gold
- Number of components 371
- Winding Automatic winding
Timepiece Architecture
Movement 77F0
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Balance wheel
Breguet
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Power reserve
55 hours
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Thickness
6.1 mm
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Frequency
4 Hz
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Width
28 mm
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Number of components
371
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Winding
Automatic winding
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Balance spring
Flat silicon balance spring
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Diameter
43 mm
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Width of lugs
22 mm
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Thickness
12.1 mm
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Water resistance
3 BAR
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Shape
Round
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Material
18K rose 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.
Day/night indication
The day/night indicator distinguishes daytime and night-time hours on the dial. Both functional and visual, it notably accompanies 24-hour displays or complications related to time zones.
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.
Second time zone
The second time zone makes it possible to display the time in two different places simultaneously. This complication makes it easier to read time while travelling, while preserving a clear indication of the reference time.
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.
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.
Hand engraving
Hand engraving consists in incising the material using traditional tools to create decorations, inscriptions or motifs. Each gesture calls upon the artisan’s expertise and gives the piece a unique character.
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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