Classique Tourbillon 3797

3797PT/1E/9WU

3797BR/1E/9WU

Movement 558 QP2
Diameter 41 mm
Shape Round
Material Platinum
Number of components 326
Winding Manual

Movement 558 QP2
Diameter 41 mm
Shape Round
Material 18K rose gold
Number of components 326
Winding Manual

Classique Tourbillon 3797

Thanks to its refined style, this watch ensures a more instinctive display of its different functions.\n\nDrawing the gaze towards the essential information, the opaque hours chapter decorated with Roman numerals is strongly distinguished from the ensemble of the dial. The open-tipped blued-steel hands make it easy to read the time. Under the disc, a “Clous de Paris” guilloché motif decorates the dial. It also displays a retrograde calendar at 12 o’clock, complemented by the day and months counters, placed at 9 o’clock and 3 o’clock, respectively. The tourbillon, which completes a rotation in 1 minute, is located at 6 o’clock and beautifully echoes the hours chapter.

Timepiece Architecture

Movement 558 QP2

Balance wheel

A vis
Power reserve

50 hours
Thickness

6.4 mm
Frequency

2.5 Hz
Width

32.5 mm
Number of components

326
Winding

Manual
Balance spring

Steel Breguet balance spring

Diameter

41 mm
Width of lugs

21 mm
Thickness

11.7 mm
Water resistance

3 BAR
Shape

Round
Material

Platinum
Type of crown

Non-screwed crown
Caseback

Sapphire case back

Dial coating

Rhodiage
Dial finish

Guilloché
Hand material

Steel
Hand type

Breguet hollow apple

Material of buckle

Platinum
Bracelet Material

Alligator
Type of buckle

Three-blade deployant clasp

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.

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.

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.

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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Classique Tourbillon 3797

Timepiece Architecture

Movement 558 QP2

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