DB25 Tourbillon Milky Way
Reference:
DB25TDS3V4
De Bethune revisits the tourbillon as an authentic wristworn regulator, an historical breakthrough in the evolution of mechanical watches. This masterpiece is revealed only on the back of the watch, to genuine connoisseurs capable of comprehending its passionately subtle features, and also of appreciating the inner power and beauty of the starry sky, along with the evocation of the most famous 18th century clocks through the hour and minute ring in a sterling silver that is destined to acquire a sublime patina over the years.
functions
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
display
Dial:
De Bethune star-studded sky in blued and polished titanium with hand-fitted white gold pins depicting the stars – Milky Way patterns produced by laser beam micro milling, gilded with 24-carat gold leaf – Sandblasted and engraving sterling silvers hours and minutes ring
Hands:
in hand-polished stainless steel
De Bethune star-studded sky in blued and polished titanium with hand-fitted white gold pins depicting the stars – Milky Way patterns produced by laser beam micro milling, gilded with 24-carat gold leaf – Sandblasted and engraving sterling silvers hours and minutes ring
Hands:
in hand-polished stainless steel
case
Palladium – diameter 44 mm – thickness 10,6 mm
Attachments:
Integrated, hollowed lugs
Glass:
Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown at 3 o’clock, setting in two positions
Back:
Open back, De Bethune 30 " silicon/titanium Tourbillon, 36,000 vph – central jumping seconds
Sapphire crystal (1800 Vickers hardness) with double anti-reflective coating
Attachments:
Integrated, hollowed lugs
Glass:
Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown at 3 o’clock, setting in two positions
Back:
Open back, De Bethune 30 " silicon/titanium Tourbillon, 36,000 vph – central jumping seconds
Sapphire crystal (1800 Vickers hardness) with double anti-reflective coating
calibre
DB2109 calibre
Movement:
mechanical hand-wound
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 annular balance encircled by a white gold ring, De Bethune Patent (2010)
- "De Bethune" 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 per hour
Power reserve:
4 days
Movement:
mechanical hand-wound
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 annular balance encircled by a white gold ring, De Bethune Patent (2010)
- "De Bethune" 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 per hour
Power reserve:
4 days
strap
Extra-supple alligator leather, alligator lining
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