Classique Répétition Minutes 7639
7639BB/6D/9XV DD0D
- Movement 567.2
- Diameter 44.5 mm
- Shape Round
- Material 18K white gold
- Number of components 358
- Winding Manual winding
Another result from the Breguet acoustic laboratory, the big sister of the Classique Grande Complication 7637, the 7639 takes up the minute repeater function and adds the prestige of baguette-cut diamonds to it.
A diamond setting that is unique in its kind, like the “Clous de Paris”, inspired by the legendary guilloché gold Breguet dials. The diamond, whose hardness and purity are perfect for transmitting the sound vibrations to the outside of the case, makes it possible to further improve the tone of the piece, while limiting to a maximum the loss of vibrations. Like the major companies in the world of acoustics, who use diamonds as conductors in speakers, Breguet has chosen to offer an entirely diamond-set piece, where the beauty of the diamond setting is equalled only be the sound of the minute repeater.
Timepiece Architecture
Movement 567.2
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Balance wheel
A vis
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Power reserve
40 hours
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Thickness
5.8 mm
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Frequency
2.5 Hz
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Width
28 mm
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Number of components
358
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Winding
Manual winding
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Balance spring
Steel Breguet balance spring
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Diameter
44.5 mm
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Width of lugs
22 mm
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Thickness
11.9 mm
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Water resistance
Not waterproof
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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
Minute repeater
The minute repeater strikes the hours, quarters and minutes on demand. One of the most exacting complications, it transforms time into an acoustic indication through a highly precise striking mechanism.
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.
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.
Polishing
Mirror polishing consists in working the surface until a perfectly smooth and brilliant reflection is obtained. This finish requires great regularity in order to reveal the material without distorting the angles or volumes of the component.
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