DB25 Tourbillon
To true connoisseurs capable of understanding its passionate subtlety, De Bethune has rethought the tourbillon as a genuine wrist regulator, creating a major technical advance in the evolution of mechanical watches. The masterpiece, which is first revealed on the back of the watch, features a magnificent blued titanium dial, stamped with gold stars like a magical night sky. The silver hour and minute rings, which will be enhanced by the patina of time, evoke the most famous clocks of the 18th century. Limited edition of 20 pieces.
Hours, minutes, central jumping seconds. Movement operating indicator at 12 o’clock. 30’’ indicator via the ultra-light De Bethune Tourbillon Cage on case back.
Hands
Hand-polished stainless-steel hands.
Dial
De Bethune star-studded sky in blued and polished titanium with hand-fitted white gold pins depicting the stars. Sandblasted and engraving sterling hours and minutes rings.
White gold. Diameter: 44mm-Thickness: 12.5mm
Attachments
Integrated hollowed lugs.
Glass
Sapphire crystal with double anti-reflective coating (1800 Vickers).
Back
Open back with De Bethune 30’’ silicon/ titanium Tourbillon. Central De Bethune dead beat second, Sapphire crystal with double anti-reflective coating (1800 Vickers).
DB2109 Caliber
Movement
Mechanical hand-wound movement.
Diameter 30 mm – 330 parts – Silver plate and barrel bridge cover adorned with “Côtes De Bethune” – Hand-snailed barrels-Hand-polished, chamfered steel parts.
Self-regulating twin barrel – De Bethune Innovation (2004)
Silicon/white gold balance – De Bethune Patent (2010)
Balance-spring with flat terminal curve – De Bethune Patent (2006)
Silicon escape-wheel.
Ultra-light De Bethune 30’’ tourbillon in silicon and titanium – De Bethune Innovation (2008)
De Bethune dead beat second – De Bethune Innovation (2011)
Jewelling
46 jewels
Frequency
36’000 vibrations/hour
Power reserve
4 days
Extra-supple alligator leather, alligator lining
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